Home / 10,539.24-14,539.17-6,287.87

Finding the Fourth Proportional to 10,539.24, 14,539.17 and 6,287.87

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Solution

The fourth proportional to 10,539.24, 14,539.17 and 6,287.87 is: 8,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.24 : 14,539.17 = 6,287.87 : x
  2. Step 2: Convert to fraction form
    10,539.24/14,539.17 = 6,287.87/x
  3. Step 3: Cross multiply
    10,539.24x = 14,539.17 × 6,287.87
  4. Step 4: Simplify right side
    10,539.24x = 91,420,361.75
  5. Step 5: Solve for x
    x = 91,420,361.75/10,539.24
  6. Step 6: Final answer
    x = 8,674.29

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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.