Home / 10,278.99-15,439.22-6,127.11

Finding the Fourth Proportional to 10,278.99, 15,439.22 and 6,127.11

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Solution

The fourth proportional to 10,278.99, 15,439.22 and 6,127.11 is: 9,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.99 : 15,439.22 = 6,127.11 : x
  2. Step 2: Convert to fraction form
    10,278.99/15,439.22 = 6,127.11/x
  3. Step 3: Cross multiply
    10,278.99x = 15,439.22 × 6,127.11
  4. Step 4: Simplify right side
    10,278.99x = 94,597,799.25
  5. Step 5: Solve for x
    x = 94,597,799.25/10,278.99
  6. Step 6: Final answer
    x = 9,203.02

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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.