Home / 20,325.18-30,488.76-6,294.90

Finding the Fourth Proportional to 20,325.18, 30,488.76 and 6,294.90

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Solution

The fourth proportional to 20,325.18, 30,488.76 and 6,294.90 is: 9,442.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325.18 : 30,488.76 = 6,294.90 : x
  2. Step 2: Convert to fraction form
    20,325.18/30,488.76 = 6,294.90/x
  3. Step 3: Cross multiply
    20,325.18x = 30,488.76 × 6,294.90
  4. Step 4: Simplify right side
    20,325.18x = 191,923,695.32
  5. Step 5: Solve for x
    x = 191,923,695.32/20,325.18
  6. Step 6: Final answer
    x = 9,442.66

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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.