Home / 15,288.05-22,881.02-8,712.47

Finding the Fourth Proportional to 15,288.05, 22,881.02 and 8,712.47

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Solution

The fourth proportional to 15,288.05, 22,881.02 and 8,712.47 is: 13,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288.05 : 22,881.02 = 8,712.47 : x
  2. Step 2: Convert to fraction form
    15,288.05/22,881.02 = 8,712.47/x
  3. Step 3: Cross multiply
    15,288.05x = 22,881.02 × 8,712.47
  4. Step 4: Simplify right side
    15,288.05x = 199,350,042.35
  5. Step 5: Solve for x
    x = 199,350,042.35/15,288.05
  6. Step 6: Final answer
    x = 13,039.60

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1.5x scale

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.