Home / 20,184.30-30,240.45-9,773.10

Finding the Fourth Proportional to 20,184.30, 30,240.45 and 9,773.10

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Solution

The fourth proportional to 20,184.30, 30,240.45 and 9,773.10 is: 14,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.30 : 30,240.45 = 9,773.10 : x
  2. Step 2: Convert to fraction form
    20,184.30/30,240.45 = 9,773.10/x
  3. Step 3: Cross multiply
    20,184.30x = 30,240.45 × 9,773.10
  4. Step 4: Simplify right side
    20,184.30x = 295,542,941.90
  5. Step 5: Solve for x
    x = 295,542,941.90/20,184.30
  6. Step 6: Final answer
    x = 14,642.22

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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.