Home / 16,002.78-24,003.90-4,909.38

Finding the Fourth Proportional to 16,002.78, 24,003.90 and 4,909.38

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Solution

The fourth proportional to 16,002.78, 24,003.90 and 4,909.38 is: 7,363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,002.78 : 24,003.90 = 4,909.38 : x
  2. Step 2: Convert to fraction form
    16,002.78/24,003.90 = 4,909.38/x
  3. Step 3: Cross multiply
    16,002.78x = 24,003.90 × 4,909.38
  4. Step 4: Simplify right side
    16,002.78x = 117,844,266.58
  5. Step 5: Solve for x
    x = 117,844,266.58/16,002.78
  6. Step 6: Final answer
    x = 7,363.99

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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.