Home / 18,342.13-25,287.63-14,577.79

Finding the Fourth Proportional to 18,342.13, 25,287.63 and 14,577.79

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Solution

The fourth proportional to 18,342.13, 25,287.63 and 14,577.79 is: 20,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.13 : 25,287.63 = 14,577.79 : x
  2. Step 2: Convert to fraction form
    18,342.13/25,287.63 = 14,577.79/x
  3. Step 3: Cross multiply
    18,342.13x = 25,287.63 × 14,577.79
  4. Step 4: Simplify right side
    18,342.13x = 368,637,759.74
  5. Step 5: Solve for x
    x = 368,637,759.74/18,342.13
  6. Step 6: Final answer
    x = 20,097.87

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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.