Home / 21,362.18-32,044.16-7,331.86

Finding the Fourth Proportional to 21,362.18, 32,044.16 and 7,331.86

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Solution

The fourth proportional to 21,362.18, 32,044.16 and 7,331.86 is: 10,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362.18 : 32,044.16 = 7,331.86 : x
  2. Step 2: Convert to fraction form
    21,362.18/32,044.16 = 7,331.86/x
  3. Step 3: Cross multiply
    21,362.18x = 32,044.16 × 7,331.86
  4. Step 4: Simplify right side
    21,362.18x = 234,943,294.94
  5. Step 5: Solve for x
    x = 234,943,294.94/21,362.18
  6. Step 6: Final answer
    x = 10,998.10

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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.