Home / 15,473.48-21,353.16-8,760.38

Finding the Fourth Proportional to 15,473.48, 21,353.16 and 8,760.38

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Solution

The fourth proportional to 15,473.48, 21,353.16 and 8,760.38 is: 12,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473.48 : 21,353.16 = 8,760.38 : x
  2. Step 2: Convert to fraction form
    15,473.48/21,353.16 = 8,760.38/x
  3. Step 3: Cross multiply
    15,473.48x = 21,353.16 × 8,760.38
  4. Step 4: Simplify right side
    15,473.48x = 187,061,795.80
  5. Step 5: Solve for x
    x = 187,061,795.80/15,473.48
  6. Step 6: Final answer
    x = 12,089.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.