Home / 18,760.28-28,126.52-11,362.96

Finding the Fourth Proportional to 18,760.28, 28,126.52 and 11,362.96

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Solution

The fourth proportional to 18,760.28, 28,126.52 and 11,362.96 is: 17,036.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.28 : 28,126.52 = 11,362.96 : x
  2. Step 2: Convert to fraction form
    18,760.28/28,126.52 = 11,362.96/x
  3. Step 3: Cross multiply
    18,760.28x = 28,126.52 × 11,362.96
  4. Step 4: Simplify right side
    18,760.28x = 319,600,521.70
  5. Step 5: Solve for x
    x = 319,600,521.70/18,760.28
  6. Step 6: Final answer
    x = 17,036.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.