Home / 20,377.17-30,565.76-5,585.96

Finding the Fourth Proportional to 20,377.17, 30,565.76 and 5,585.96

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Solution

The fourth proportional to 20,377.17, 30,565.76 and 5,585.96 is: 8,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.17 : 30,565.76 = 5,585.96 : x
  2. Step 2: Convert to fraction form
    20,377.17/30,565.76 = 5,585.96/x
  3. Step 3: Cross multiply
    20,377.17x = 30,565.76 × 5,585.96
  4. Step 4: Simplify right side
    20,377.17x = 170,739,161.21
  5. Step 5: Solve for x
    x = 170,739,161.21/20,377.17
  6. Step 6: Final answer
    x = 8,378.94

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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.