Home / 15,780.82-23,663.94-5,913.04

Finding the Fourth Proportional to 15,780.82, 23,663.94 and 5,913.04

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Solution

The fourth proportional to 15,780.82, 23,663.94 and 5,913.04 is: 8,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.82 : 23,663.94 = 5,913.04 : x
  2. Step 2: Convert to fraction form
    15,780.82/23,663.94 = 5,913.04/x
  3. Step 3: Cross multiply
    15,780.82x = 23,663.94 × 5,913.04
  4. Step 4: Simplify right side
    15,780.82x = 139,925,823.78
  5. Step 5: Solve for x
    x = 139,925,823.78/15,780.82
  6. Step 6: Final answer
    x = 8,866.83

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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.