Home / 12,446.22-17,176.95-7,069.85

Finding the Fourth Proportional to 12,446.22, 17,176.95 and 7,069.85

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Solution

The fourth proportional to 12,446.22, 17,176.95 and 7,069.85 is: 9,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.22 : 17,176.95 = 7,069.85 : x
  2. Step 2: Convert to fraction form
    12,446.22/17,176.95 = 7,069.85/x
  3. Step 3: Cross multiply
    12,446.22x = 17,176.95 × 7,069.85
  4. Step 4: Simplify right side
    12,446.22x = 121,438,374.07
  5. Step 5: Solve for x
    x = 121,438,374.07/12,446.22
  6. Step 6: Final answer
    x = 9,757.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.