Home / 10,161.42-15,246.99-3,590.70

Finding the Fourth Proportional to 10,161.42, 15,246.99 and 3,590.70

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Solution

The fourth proportional to 10,161.42, 15,246.99 and 3,590.70 is: 5,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.42 : 15,246.99 = 3,590.70 : x
  2. Step 2: Convert to fraction form
    10,161.42/15,246.99 = 3,590.70/x
  3. Step 3: Cross multiply
    10,161.42x = 15,246.99 × 3,590.70
  4. Step 4: Simplify right side
    10,161.42x = 54,747,366.99
  5. Step 5: Solve for x
    x = 54,747,366.99/10,161.42
  6. Step 6: Final answer
    x = 5,387.77

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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.