Home / 10,119.95-13,974.12-6,349.44

Finding the Fourth Proportional to 10,119.95, 13,974.12 and 6,349.44

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Solution

The fourth proportional to 10,119.95, 13,974.12 and 6,349.44 is: 8,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.95 : 13,974.12 = 6,349.44 : x
  2. Step 2: Convert to fraction form
    10,119.95/13,974.12 = 6,349.44/x
  3. Step 3: Cross multiply
    10,119.95x = 13,974.12 × 6,349.44
  4. Step 4: Simplify right side
    10,119.95x = 88,727,836.49
  5. Step 5: Solve for x
    x = 88,727,836.49/10,119.95
  6. Step 6: Final answer
    x = 8,767.62

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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.