Home / 10,363.56-15,545.40-5,977.20

Finding the Fourth Proportional to 10,363.56, 15,545.40 and 5,977.20

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Solution

The fourth proportional to 10,363.56, 15,545.40 and 5,977.20 is: 8,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.56 : 15,545.40 = 5,977.20 : x
  2. Step 2: Convert to fraction form
    10,363.56/15,545.40 = 5,977.20/x
  3. Step 3: Cross multiply
    10,363.56x = 15,545.40 × 5,977.20
  4. Step 4: Simplify right side
    10,363.56x = 92,917,964.88
  5. Step 5: Solve for x
    x = 92,917,964.88/10,363.56
  6. Step 6: Final answer
    x = 8,965.83

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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.