Home / 20,244.10-30,366.50-7,764.84

Finding the Fourth Proportional to 20,244.10, 30,366.50 and 7,764.84

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Solution

The fourth proportional to 20,244.10, 30,366.50 and 7,764.84 is: 11,647.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.10 : 30,366.50 = 7,764.84 : x
  2. Step 2: Convert to fraction form
    20,244.10/30,366.50 = 7,764.84/x
  3. Step 3: Cross multiply
    20,244.10x = 30,366.50 × 7,764.84
  4. Step 4: Simplify right side
    20,244.10x = 235,791,013.86
  5. Step 5: Solve for x
    x = 235,791,013.86/20,244.10
  6. Step 6: Final answer
    x = 11,647.39

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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.