Home / 20,374.16-30,561.23-5,583.20

Finding the Fourth Proportional to 20,374.16, 30,561.23 and 5,583.20

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Solution

The fourth proportional to 20,374.16, 30,561.23 and 5,583.20 is: 8,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.16 : 30,561.23 = 5,583.20 : x
  2. Step 2: Convert to fraction form
    20,374.16/30,561.23 = 5,583.20/x
  3. Step 3: Cross multiply
    20,374.16x = 30,561.23 × 5,583.20
  4. Step 4: Simplify right side
    20,374.16x = 170,629,320.49
  5. Step 5: Solve for x
    x = 170,629,320.49/20,374.16
  6. Step 6: Final answer
    x = 8,374.79

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Similar ratio
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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.