Home / 18,908.24-26,084.40-14,687.60

Finding the Fourth Proportional to 18,908.24, 26,084.40 and 14,687.60

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Solution

The fourth proportional to 18,908.24, 26,084.40 and 14,687.60 is: 20,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.24 : 26,084.40 = 14,687.60 : x
  2. Step 2: Convert to fraction form
    18,908.24/26,084.40 = 14,687.60/x
  3. Step 3: Cross multiply
    18,908.24x = 26,084.40 × 14,687.60
  4. Step 4: Simplify right side
    18,908.24x = 383,117,233.44
  5. Step 5: Solve for x
    x = 383,117,233.44/18,908.24
  6. Step 6: Final answer
    x = 20,261.92

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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.