Home / 20,867.04-31,301.28-10,473.12

Finding the Fourth Proportional to 20,867.04, 31,301.28 and 10,473.12

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Solution

The fourth proportional to 20,867.04, 31,301.28 and 10,473.12 is: 15,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,867.04 : 31,301.28 = 10,473.12 : x
  2. Step 2: Convert to fraction form
    20,867.04/31,301.28 = 10,473.12/x
  3. Step 3: Cross multiply
    20,867.04x = 31,301.28 × 10,473.12
  4. Step 4: Simplify right side
    20,867.04x = 327,822,061.59
  5. Step 5: Solve for x
    x = 327,822,061.59/20,867.04
  6. Step 6: Final answer
    x = 15,710.04

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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.