Home / 10,708.91-16,028.42-9,685.88

Finding the Fourth Proportional to 10,708.91, 16,028.42 and 9,685.88

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Solution

The fourth proportional to 10,708.91, 16,028.42 and 9,685.88 is: 14,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708.91 : 16,028.42 = 9,685.88 : x
  2. Step 2: Convert to fraction form
    10,708.91/16,028.42 = 9,685.88/x
  3. Step 3: Cross multiply
    10,708.91x = 16,028.42 × 9,685.88
  4. Step 4: Simplify right side
    10,708.91x = 155,249,284.24
  5. Step 5: Solve for x
    x = 155,249,284.24/10,708.91
  6. Step 6: Final answer
    x = 14,497.21

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1.5x scale

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.