Home / 12,560.12-17,333.09-6,894.78

Finding the Fourth Proportional to 12,560.12, 17,333.09 and 6,894.78

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Solution

The fourth proportional to 12,560.12, 17,333.09 and 6,894.78 is: 9,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.12 : 17,333.09 = 6,894.78 : x
  2. Step 2: Convert to fraction form
    12,560.12/17,333.09 = 6,894.78/x
  3. Step 3: Cross multiply
    12,560.12x = 17,333.09 × 6,894.78
  4. Step 4: Simplify right side
    12,560.12x = 119,507,842.27
  5. Step 5: Solve for x
    x = 119,507,842.27/12,560.12
  6. Step 6: Final answer
    x = 9,514.86

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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.