Home / 23,316.20-34,974.30-8,520.20

Finding the Fourth Proportional to 23,316.20, 34,974.30 and 8,520.20

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Solution

The fourth proportional to 23,316.20, 34,974.30 and 8,520.20 is: 12,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,316.20 : 34,974.30 = 8,520.20 : x
  2. Step 2: Convert to fraction form
    23,316.20/34,974.30 = 8,520.20/x
  3. Step 3: Cross multiply
    23,316.20x = 34,974.30 × 8,520.20
  4. Step 4: Simplify right side
    23,316.20x = 297,988,030.86
  5. Step 5: Solve for x
    x = 297,988,030.86/23,316.20
  6. Step 6: Final answer
    x = 12,780.30

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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.