Home / 18,010.32-27,016.80-4,862.40

Finding the Fourth Proportional to 18,010.32, 27,016.80 and 4,862.40

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Solution

The fourth proportional to 18,010.32, 27,016.80 and 4,862.40 is: 7,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.32 : 27,016.80 = 4,862.40 : x
  2. Step 2: Convert to fraction form
    18,010.32/27,016.80 = 4,862.40/x
  3. Step 3: Cross multiply
    18,010.32x = 27,016.80 × 4,862.40
  4. Step 4: Simplify right side
    18,010.32x = 131,366,488.32
  5. Step 5: Solve for x
    x = 131,366,488.32/18,010.32
  6. Step 6: Final answer
    x = 7,293.96

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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.