Home / 18,399.43-27,598.51-5,251.80

Finding the Fourth Proportional to 18,399.43, 27,598.51 and 5,251.80

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Solution

The fourth proportional to 18,399.43, 27,598.51 and 5,251.80 is: 7,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.43 : 27,598.51 = 5,251.80 : x
  2. Step 2: Convert to fraction form
    18,399.43/27,598.51 = 5,251.80/x
  3. Step 3: Cross multiply
    18,399.43x = 27,598.51 × 5,251.80
  4. Step 4: Simplify right side
    18,399.43x = 144,941,854.82
  5. Step 5: Solve for x
    x = 144,941,854.82/18,399.43
  6. Step 6: Final answer
    x = 7,877.52

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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.