Home / 14,142.18-21,213.27-9,746.34

Finding the Fourth Proportional to 14,142.18, 21,213.27 and 9,746.34

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Solution

The fourth proportional to 14,142.18, 21,213.27 and 9,746.34 is: 14,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.18 : 21,213.27 = 9,746.34 : x
  2. Step 2: Convert to fraction form
    14,142.18/21,213.27 = 9,746.34/x
  3. Step 3: Cross multiply
    14,142.18x = 21,213.27 × 9,746.34
  4. Step 4: Simplify right side
    14,142.18x = 206,751,741.93
  5. Step 5: Solve for x
    x = 206,751,741.93/14,142.18
  6. Step 6: Final answer
    x = 14,619.51

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Half scale
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Double scale
Find fourth proportional to 14,143.18, 21,214.77 and 9,747.34
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.