Home / 21,048.28-31,577.61-6,257.13

Finding the Fourth Proportional to 21,048.28, 31,577.61 and 6,257.13

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Solution

The fourth proportional to 21,048.28, 31,577.61 and 6,257.13 is: 9,387.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.28 : 31,577.61 = 6,257.13 : x
  2. Step 2: Convert to fraction form
    21,048.28/31,577.61 = 6,257.13/x
  3. Step 3: Cross multiply
    21,048.28x = 31,577.61 × 6,257.13
  4. Step 4: Simplify right side
    21,048.28x = 197,585,210.86
  5. Step 5: Solve for x
    x = 197,585,210.86/21,048.28
  6. Step 6: Final answer
    x = 9,387.24

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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.