Home / 20,925.96-31,387.41-9,835.17

Finding the Fourth Proportional to 20,925.96, 31,387.41 and 9,835.17

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Solution

The fourth proportional to 20,925.96, 31,387.41 and 9,835.17 is: 14,752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,925.96 : 31,387.41 = 9,835.17 : x
  2. Step 2: Convert to fraction form
    20,925.96/31,387.41 = 9,835.17/x
  3. Step 3: Cross multiply
    20,925.96x = 31,387.41 × 9,835.17
  4. Step 4: Simplify right side
    20,925.96x = 308,700,513.21
  5. Step 5: Solve for x
    x = 308,700,513.21/20,925.96
  6. Step 6: Final answer
    x = 14,752.04

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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.