Home / 21,587.13-32,384.48-9,901.53

Finding the Fourth Proportional to 21,587.13, 32,384.48 and 9,901.53

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Solution

The fourth proportional to 21,587.13, 32,384.48 and 9,901.53 is: 14,854.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587.13 : 32,384.48 = 9,901.53 : x
  2. Step 2: Convert to fraction form
    21,587.13/32,384.48 = 9,901.53/x
  3. Step 3: Cross multiply
    21,587.13x = 32,384.48 × 9,901.53
  4. Step 4: Simplify right side
    21,587.13x = 320,655,850.75
  5. Step 5: Solve for x
    x = 320,655,850.75/21,587.13
  6. Step 6: Final answer
    x = 14,854.03

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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.