Home / 18,257.64-25,189.80-14,417.18

Finding the Fourth Proportional to 18,257.64, 25,189.80 and 14,417.18

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Solution

The fourth proportional to 18,257.64, 25,189.80 and 14,417.18 is: 19,891.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.64 : 25,189.80 = 14,417.18 : x
  2. Step 2: Convert to fraction form
    18,257.64/25,189.80 = 14,417.18/x
  3. Step 3: Cross multiply
    18,257.64x = 25,189.80 × 14,417.18
  4. Step 4: Simplify right side
    18,257.64x = 363,165,876.31
  5. Step 5: Solve for x
    x = 363,165,876.31/18,257.64
  6. Step 6: Final answer
    x = 19,891.17

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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.