Home / 10,502.40-15,748.13-4,954.26

Finding the Fourth Proportional to 10,502.40, 15,748.13 and 4,954.26

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Solution

The fourth proportional to 10,502.40, 15,748.13 and 4,954.26 is: 7,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.40 : 15,748.13 = 4,954.26 : x
  2. Step 2: Convert to fraction form
    10,502.40/15,748.13 = 4,954.26/x
  3. Step 3: Cross multiply
    10,502.40x = 15,748.13 × 4,954.26
  4. Step 4: Simplify right side
    10,502.40x = 78,020,251.79
  5. Step 5: Solve for x
    x = 78,020,251.79/10,502.40
  6. Step 6: Final answer
    x = 7,428.80

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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.