Home / 20,244.60-30,366.90-7,098.30

Finding the Fourth Proportional to 20,244.60, 30,366.90 and 7,098.30

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Solution

The fourth proportional to 20,244.60, 30,366.90 and 7,098.30 is: 10,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.60 : 30,366.90 = 7,098.30 : x
  2. Step 2: Convert to fraction form
    20,244.60/30,366.90 = 7,098.30/x
  3. Step 3: Cross multiply
    20,244.60x = 30,366.90 × 7,098.30
  4. Step 4: Simplify right side
    20,244.60x = 215,553,366.27
  5. Step 5: Solve for x
    x = 215,553,366.27/20,244.60
  6. Step 6: Final answer
    x = 10,647.45

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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.