Home / 15,330.61-22,985.30-7,819.59

Finding the Fourth Proportional to 15,330.61, 22,985.30 and 7,819.59

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Solution

The fourth proportional to 15,330.61, 22,985.30 and 7,819.59 is: 11,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330.61 : 22,985.30 = 7,819.59 : x
  2. Step 2: Convert to fraction form
    15,330.61/22,985.30 = 7,819.59/x
  3. Step 3: Cross multiply
    15,330.61x = 22,985.30 × 7,819.59
  4. Step 4: Simplify right side
    15,330.61x = 179,735,582.93
  5. Step 5: Solve for x
    x = 179,735,582.93/15,330.61
  6. Step 6: Final answer
    x = 11,723.97

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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.