Home / 18,258.64-25,191.18-14,418.18

Finding the Fourth Proportional to 18,258.64, 25,191.18 and 14,418.18

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Solution

The fourth proportional to 18,258.64, 25,191.18 and 14,418.18 is: 19,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.64 : 25,191.18 = 14,418.18 : x
  2. Step 2: Convert to fraction form
    18,258.64/25,191.18 = 14,418.18/x
  3. Step 3: Cross multiply
    18,258.64x = 25,191.18 × 14,418.18
  4. Step 4: Simplify right side
    18,258.64x = 363,210,967.65
  5. Step 5: Solve for x
    x = 363,210,967.65/18,258.64
  6. Step 6: Final answer
    x = 19,892.55

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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.