Home / 18,165.59-25,079.70-14,403.95

Finding the Fourth Proportional to 18,165.59, 25,079.70 and 14,403.95

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Solution

The fourth proportional to 18,165.59, 25,079.70 and 14,403.95 is: 19,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.59 : 25,079.70 = 14,403.95 : x
  2. Step 2: Convert to fraction form
    18,165.59/25,079.70 = 14,403.95/x
  3. Step 3: Cross multiply
    18,165.59x = 25,079.70 × 14,403.95
  4. Step 4: Simplify right side
    18,165.59x = 361,246,744.82
  5. Step 5: Solve for x
    x = 361,246,744.82/18,165.59
  6. Step 6: Final answer
    x = 19,886.32

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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.