Home / 20,732.74-31,097.82-8,886.48

Finding the Fourth Proportional to 20,732.74, 31,097.82 and 8,886.48

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Solution

The fourth proportional to 20,732.74, 31,097.82 and 8,886.48 is: 13,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.74 : 31,097.82 = 8,886.48 : x
  2. Step 2: Convert to fraction form
    20,732.74/31,097.82 = 8,886.48/x
  3. Step 3: Cross multiply
    20,732.74x = 31,097.82 × 8,886.48
  4. Step 4: Simplify right side
    20,732.74x = 276,350,155.47
  5. Step 5: Solve for x
    x = 276,350,155.47/20,732.74
  6. Step 6: Final answer
    x = 13,329.17

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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.