Home / 10,539.20-14,526.60-7,389.92

Finding the Fourth Proportional to 10,539.20, 14,526.60 and 7,389.92

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Solution

The fourth proportional to 10,539.20, 14,526.60 and 7,389.92 is: 10,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.20 : 14,526.60 = 7,389.92 : x
  2. Step 2: Convert to fraction form
    10,539.20/14,526.60 = 7,389.92/x
  3. Step 3: Cross multiply
    10,539.20x = 14,526.60 × 7,389.92
  4. Step 4: Simplify right side
    10,539.20x = 107,350,411.87
  5. Step 5: Solve for x
    x = 107,350,411.87/10,539.20
  6. Step 6: Final answer
    x = 10,185.82

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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.