Home / 16,645.20-22,971.36-9,572.40

Finding the Fourth Proportional to 16,645.20, 22,971.36 and 9,572.40

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Solution

The fourth proportional to 16,645.20, 22,971.36 and 9,572.40 is: 13,210.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,645.20 : 22,971.36 = 9,572.40 : x
  2. Step 2: Convert to fraction form
    16,645.20/22,971.36 = 9,572.40/x
  3. Step 3: Cross multiply
    16,645.20x = 22,971.36 × 9,572.40
  4. Step 4: Simplify right side
    16,645.20x = 219,891,046.46
  5. Step 5: Solve for x
    x = 219,891,046.46/16,645.20
  6. Step 6: Final answer
    x = 13,210.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.