Home / 15,141.39-22,711.14-5,651.86

Finding the Fourth Proportional to 15,141.39, 22,711.14 and 5,651.86

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Solution

The fourth proportional to 15,141.39, 22,711.14 and 5,651.86 is: 8,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.39 : 22,711.14 = 5,651.86 : x
  2. Step 2: Convert to fraction form
    15,141.39/22,711.14 = 5,651.86/x
  3. Step 3: Cross multiply
    15,141.39x = 22,711.14 × 5,651.86
  4. Step 4: Simplify right side
    15,141.39x = 128,360,183.72
  5. Step 5: Solve for x
    x = 128,360,183.72/15,141.39
  6. Step 6: Final answer
    x = 8,477.44

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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.