Home / 13,561.19-20,342.15-4,327.19

Finding the Fourth Proportional to 13,561.19, 20,342.15 and 4,327.19

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Solution

The fourth proportional to 13,561.19, 20,342.15 and 4,327.19 is: 6,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561.19 : 20,342.15 = 4,327.19 : x
  2. Step 2: Convert to fraction form
    13,561.19/20,342.15 = 4,327.19/x
  3. Step 3: Cross multiply
    13,561.19x = 20,342.15 × 4,327.19
  4. Step 4: Simplify right side
    13,561.19x = 88,024,348.06
  5. Step 5: Solve for x
    x = 88,024,348.06/13,561.19
  6. Step 6: Final answer
    x = 6,490.90

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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.