Home / 10,531.68-14,529.20-7,389.92

Finding the Fourth Proportional to 10,531.68, 14,529.20 and 7,389.92

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Solution

The fourth proportional to 10,531.68, 14,529.20 and 7,389.92 is: 10,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.68 : 14,529.20 = 7,389.92 : x
  2. Step 2: Convert to fraction form
    10,531.68/14,529.20 = 7,389.92/x
  3. Step 3: Cross multiply
    10,531.68x = 14,529.20 × 7,389.92
  4. Step 4: Simplify right side
    10,531.68x = 107,369,625.66
  5. Step 5: Solve for x
    x = 107,369,625.66/10,531.68
  6. Step 6: Final answer
    x = 10,194.92

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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.