Home / 13,214.24-18,235.63-7,245.91

Finding the Fourth Proportional to 13,214.24, 18,235.63 and 7,245.91

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Solution

The fourth proportional to 13,214.24, 18,235.63 and 7,245.91 is: 9,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.24 : 18,235.63 = 7,245.91 : x
  2. Step 2: Convert to fraction form
    13,214.24/18,235.63 = 7,245.91/x
  3. Step 3: Cross multiply
    13,214.24x = 18,235.63 × 7,245.91
  4. Step 4: Simplify right side
    13,214.24x = 132,133,663.05
  5. Step 5: Solve for x
    x = 132,133,663.05/13,214.24
  6. Step 6: Final answer
    x = 9,999.34

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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.