Home / 12,320.28-18,484.50-4,000.56

Finding the Fourth Proportional to 12,320.28, 18,484.50 and 4,000.56

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Solution

The fourth proportional to 12,320.28, 18,484.50 and 4,000.56 is: 6,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.28 : 18,484.50 = 4,000.56 : x
  2. Step 2: Convert to fraction form
    12,320.28/18,484.50 = 4,000.56/x
  3. Step 3: Cross multiply
    12,320.28x = 18,484.50 × 4,000.56
  4. Step 4: Simplify right side
    12,320.28x = 73,948,351.32
  5. Step 5: Solve for x
    x = 73,948,351.32/12,320.28
  6. Step 6: Final answer
    x = 6,002.16

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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.