Home / 23,179.12-34,774.08-8,385.28

Finding the Fourth Proportional to 23,179.12, 34,774.08 and 8,385.28

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Solution

The fourth proportional to 23,179.12, 34,774.08 and 8,385.28 is: 12,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,179.12 : 34,774.08 = 8,385.28 : x
  2. Step 2: Convert to fraction form
    23,179.12/34,774.08 = 8,385.28/x
  3. Step 3: Cross multiply
    23,179.12x = 34,774.08 × 8,385.28
  4. Step 4: Simplify right side
    23,179.12x = 291,590,397.54
  5. Step 5: Solve for x
    x = 291,590,397.54/23,179.12
  6. Step 6: Final answer
    x = 12,579.87

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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.