Home / 18,397.90-27,592.23-7,862.71

Finding the Fourth Proportional to 18,397.90, 27,592.23 and 7,862.71

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Solution

The fourth proportional to 18,397.90, 27,592.23 and 7,862.71 is: 11,792.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.90 : 27,592.23 = 7,862.71 : x
  2. Step 2: Convert to fraction form
    18,397.90/27,592.23 = 7,862.71/x
  3. Step 3: Cross multiply
    18,397.90x = 27,592.23 × 7,862.71
  4. Step 4: Simplify right side
    18,397.90x = 216,949,665.12
  5. Step 5: Solve for x
    x = 216,949,665.12/18,397.90
  6. Step 6: Final answer
    x = 11,792.09

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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.