Home / 20,254.10-30,377.10-9,724.10

Finding the Fourth Proportional to 20,254.10, 30,377.10 and 9,724.10

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Solution

The fourth proportional to 20,254.10, 30,377.10 and 9,724.10 is: 14,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.10 : 30,377.10 = 9,724.10 : x
  2. Step 2: Convert to fraction form
    20,254.10/30,377.10 = 9,724.10/x
  3. Step 3: Cross multiply
    20,254.10x = 30,377.10 × 9,724.10
  4. Step 4: Simplify right side
    20,254.10x = 295,389,958.11
  5. Step 5: Solve for x
    x = 295,389,958.11/20,254.10
  6. Step 6: Final answer
    x = 14,584.21

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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.