Home / 18,687.50-25,789.02-10,304

Finding the Fourth Proportional to 18,687.50, 25,789.02 and 10,304

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Solution

The fourth proportional to 18,687.50, 25,789.02 and 10,304 is: 14,219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,687.50 : 25,789.02 = 10,304 : x
  2. Step 2: Convert to fraction form
    18,687.50/25,789.02 = 10,304/x
  3. Step 3: Cross multiply
    18,687.50x = 25,789.02 × 10,304
  4. Step 4: Simplify right side
    18,687.50x = 265,730,062.08
  5. Step 5: Solve for x
    x = 265,730,062.08/18,687.50
  6. Step 6: Final answer
    x = 14,219.67

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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.