Home / 13,436.30-18,542.32-7,468.04

Finding the Fourth Proportional to 13,436.30, 18,542.32 and 7,468.04

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Solution

The fourth proportional to 13,436.30, 18,542.32 and 7,468.04 is: 10,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.30 : 18,542.32 = 7,468.04 : x
  2. Step 2: Convert to fraction form
    13,436.30/18,542.32 = 7,468.04/x
  3. Step 3: Cross multiply
    13,436.30x = 18,542.32 × 7,468.04
  4. Step 4: Simplify right side
    13,436.30x = 138,474,787.45
  5. Step 5: Solve for x
    x = 138,474,787.45/13,436.30
  6. Step 6: Final answer
    x = 10,306.02

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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.