Home / 10,994.88-15,178.17-6,278.25

Finding the Fourth Proportional to 10,994.88, 15,178.17 and 6,278.25

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Solution

The fourth proportional to 10,994.88, 15,178.17 and 6,278.25 is: 8,666.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.88 : 15,178.17 = 6,278.25 : x
  2. Step 2: Convert to fraction form
    10,994.88/15,178.17 = 6,278.25/x
  3. Step 3: Cross multiply
    10,994.88x = 15,178.17 × 6,278.25
  4. Step 4: Simplify right side
    10,994.88x = 95,292,345.80
  5. Step 5: Solve for x
    x = 95,292,345.80/10,994.88
  6. Step 6: Final answer
    x = 8,666.97

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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.