Home / 15,581.83-23,358.85-5,718.82

Finding the Fourth Proportional to 15,581.83, 23,358.85 and 5,718.82

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Solution

The fourth proportional to 15,581.83, 23,358.85 and 5,718.82 is: 8,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.83 : 23,358.85 = 5,718.82 : x
  2. Step 2: Convert to fraction form
    15,581.83/23,358.85 = 5,718.82/x
  3. Step 3: Cross multiply
    15,581.83x = 23,358.85 × 5,718.82
  4. Step 4: Simplify right side
    15,581.83x = 133,584,985.86
  5. Step 5: Solve for x
    x = 133,584,985.86/15,581.83
  6. Step 6: Final answer
    x = 8,573.13

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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.