Home / 13,214.45-18,236.48-7,246.34

Finding the Fourth Proportional to 13,214.45, 18,236.48 and 7,246.34

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Solution

The fourth proportional to 13,214.45, 18,236.48 and 7,246.34 is: 10,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.45 : 18,236.48 = 7,246.34 : x
  2. Step 2: Convert to fraction form
    13,214.45/18,236.48 = 7,246.34/x
  3. Step 3: Cross multiply
    13,214.45x = 18,236.48 × 7,246.34
  4. Step 4: Simplify right side
    13,214.45x = 132,147,607.07
  5. Step 5: Solve for x
    x = 132,147,607.07/13,214.45
  6. Step 6: Final answer
    x = 10,000.24

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.