Home / 15,781.80-23,677.14-5,252.76

Finding the Fourth Proportional to 15,781.80, 23,677.14 and 5,252.76

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Solution

The fourth proportional to 15,781.80, 23,677.14 and 5,252.76 is: 7,880.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.80 : 23,677.14 = 5,252.76 : x
  2. Step 2: Convert to fraction form
    15,781.80/23,677.14 = 5,252.76/x
  3. Step 3: Cross multiply
    15,781.80x = 23,677.14 × 5,252.76
  4. Step 4: Simplify right side
    15,781.80x = 124,370,333.91
  5. Step 5: Solve for x
    x = 124,370,333.91/15,781.80
  6. Step 6: Final answer
    x = 7,880.62

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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.