Home / 15,421.72-23,117.82-10,160.80

Finding the Fourth Proportional to 15,421.72, 23,117.82 and 10,160.80

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Solution

The fourth proportional to 15,421.72, 23,117.82 and 10,160.80 is: 15,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.72 : 23,117.82 = 10,160.80 : x
  2. Step 2: Convert to fraction form
    15,421.72/23,117.82 = 10,160.80/x
  3. Step 3: Cross multiply
    15,421.72x = 23,117.82 × 10,160.80
  4. Step 4: Simplify right side
    15,421.72x = 234,895,545.46
  5. Step 5: Solve for x
    x = 234,895,545.46/15,421.72
  6. Step 6: Final answer
    x = 15,231.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.