Home / 18,397.20-27,585.72-7,292.64

Finding the Fourth Proportional to 18,397.20, 27,585.72 and 7,292.64

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Solution

The fourth proportional to 18,397.20, 27,585.72 and 7,292.64 is: 10,934.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.20 : 27,585.72 = 7,292.64 : x
  2. Step 2: Convert to fraction form
    18,397.20/27,585.72 = 7,292.64/x
  3. Step 3: Cross multiply
    18,397.20x = 27,585.72 × 7,292.64
  4. Step 4: Simplify right side
    18,397.20x = 201,172,725.10
  5. Step 5: Solve for x
    x = 201,172,725.10/18,397.20
  6. Step 6: Final answer
    x = 10,934.96

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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.