Home / 13,488.01-20,234.32-4,127.79

Finding the Fourth Proportional to 13,488.01, 20,234.32 and 4,127.79

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Solution

The fourth proportional to 13,488.01, 20,234.32 and 4,127.79 is: 6,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.01 : 20,234.32 = 4,127.79 : x
  2. Step 2: Convert to fraction form
    13,488.01/20,234.32 = 4,127.79/x
  3. Step 3: Cross multiply
    13,488.01x = 20,234.32 × 4,127.79
  4. Step 4: Simplify right side
    13,488.01x = 83,523,023.75
  5. Step 5: Solve for x
    x = 83,523,023.75/13,488.01
  6. Step 6: Final answer
    x = 6,192.39

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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.