Home / 18,342.12-25,287.64-14,577.80

Finding the Fourth Proportional to 18,342.12, 25,287.64 and 14,577.80

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Solution

The fourth proportional to 18,342.12, 25,287.64 and 14,577.80 is: 20,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.12 : 25,287.64 = 14,577.80 : x
  2. Step 2: Convert to fraction form
    18,342.12/25,287.64 = 14,577.80/x
  3. Step 3: Cross multiply
    18,342.12x = 25,287.64 × 14,577.80
  4. Step 4: Simplify right side
    18,342.12x = 368,638,158.39
  5. Step 5: Solve for x
    x = 368,638,158.39/18,342.12
  6. Step 6: Final answer
    x = 20,097.90

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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.