Home / 20,651.31-30,972.24-9,547.29

Finding the Fourth Proportional to 20,651.31, 30,972.24 and 9,547.29

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Solution

The fourth proportional to 20,651.31, 30,972.24 and 9,547.29 is: 14,318.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,651.31 : 30,972.24 = 9,547.29 : x
  2. Step 2: Convert to fraction form
    20,651.31/30,972.24 = 9,547.29/x
  3. Step 3: Cross multiply
    20,651.31x = 30,972.24 × 9,547.29
  4. Step 4: Simplify right side
    20,651.31x = 295,700,957.23
  5. Step 5: Solve for x
    x = 295,700,957.23/20,651.31
  6. Step 6: Final answer
    x = 14,318.75

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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.