Home / 21,331.06-32,002.73-6,542.15

Finding the Fourth Proportional to 21,331.06, 32,002.73 and 6,542.15

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Solution

The fourth proportional to 21,331.06, 32,002.73 and 6,542.15 is: 9,815.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331.06 : 32,002.73 = 6,542.15 : x
  2. Step 2: Convert to fraction form
    21,331.06/32,002.73 = 6,542.15/x
  3. Step 3: Cross multiply
    21,331.06x = 32,002.73 × 6,542.15
  4. Step 4: Simplify right side
    21,331.06x = 209,366,660.07
  5. Step 5: Solve for x
    x = 209,366,660.07/21,331.06
  6. Step 6: Final answer
    x = 9,815.11

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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.