Home / 14,380.38-21,570.56-6,589.19

Finding the Fourth Proportional to 14,380.38, 21,570.56 and 6,589.19

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Solution

The fourth proportional to 14,380.38, 21,570.56 and 6,589.19 is: 9,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.38 : 21,570.56 = 6,589.19 : x
  2. Step 2: Convert to fraction form
    14,380.38/21,570.56 = 6,589.19/x
  3. Step 3: Cross multiply
    14,380.38x = 21,570.56 × 6,589.19
  4. Step 4: Simplify right side
    14,380.38x = 142,132,518.25
  5. Step 5: Solve for x
    x = 142,132,518.25/14,380.38
  6. Step 6: Final answer
    x = 9,883.78

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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.