Home / 12,508.38-18,769.95-4,616.46

Finding the Fourth Proportional to 12,508.38, 18,769.95 and 4,616.46

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Solution

The fourth proportional to 12,508.38, 18,769.95 and 4,616.46 is: 6,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.38 : 18,769.95 = 4,616.46 : x
  2. Step 2: Convert to fraction form
    12,508.38/18,769.95 = 4,616.46/x
  3. Step 3: Cross multiply
    12,508.38x = 18,769.95 × 4,616.46
  4. Step 4: Simplify right side
    12,508.38x = 86,650,723.38
  5. Step 5: Solve for x
    x = 86,650,723.38/12,508.38
  6. Step 6: Final answer
    x = 6,927.41

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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.