Home / 18,340.59-25,310.12-10,787.24

Finding the Fourth Proportional to 18,340.59, 25,310.12 and 10,787.24

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Solution

The fourth proportional to 18,340.59, 25,310.12 and 10,787.24 is: 14,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.59 : 25,310.12 = 10,787.24 : x
  2. Step 2: Convert to fraction form
    18,340.59/25,310.12 = 10,787.24/x
  3. Step 3: Cross multiply
    18,340.59x = 25,310.12 × 10,787.24
  4. Step 4: Simplify right side
    18,340.59x = 273,026,338.87
  5. Step 5: Solve for x
    x = 273,026,338.87/18,340.59
  6. Step 6: Final answer
    x = 14,886.45

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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.