Home / 21,500.67-32,238.47-8,337.66

Finding the Fourth Proportional to 21,500.67, 32,238.47 and 8,337.66

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Solution

The fourth proportional to 21,500.67, 32,238.47 and 8,337.66 is: 12,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,500.67 : 32,238.47 = 8,337.66 : x
  2. Step 2: Convert to fraction form
    21,500.67/32,238.47 = 8,337.66/x
  3. Step 3: Cross multiply
    21,500.67x = 32,238.47 × 8,337.66
  4. Step 4: Simplify right side
    21,500.67x = 268,793,401.78
  5. Step 5: Solve for x
    x = 268,793,401.78/21,500.67
  6. Step 6: Final answer
    x = 12,501.63

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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.