Home / 15,366.27-21,202.41-8,652.18

Finding the Fourth Proportional to 15,366.27, 21,202.41 and 8,652.18

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Solution

The fourth proportional to 15,366.27, 21,202.41 and 8,652.18 is: 11,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.27 : 21,202.41 = 8,652.18 : x
  2. Step 2: Convert to fraction form
    15,366.27/21,202.41 = 8,652.18/x
  3. Step 3: Cross multiply
    15,366.27x = 21,202.41 × 8,652.18
  4. Step 4: Simplify right side
    15,366.27x = 183,447,067.75
  5. Step 5: Solve for x
    x = 183,447,067.75/15,366.27
  6. Step 6: Final answer
    x = 11,938.30

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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.