Home / 10,177.14-15,264.14-3,940.05

Finding the Fourth Proportional to 10,177.14, 15,264.14 and 3,940.05

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Solution

The fourth proportional to 10,177.14, 15,264.14 and 3,940.05 is: 5,909.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.14 : 15,264.14 = 3,940.05 : x
  2. Step 2: Convert to fraction form
    10,177.14/15,264.14 = 3,940.05/x
  3. Step 3: Cross multiply
    10,177.14x = 15,264.14 × 3,940.05
  4. Step 4: Simplify right side
    10,177.14x = 60,141,455.11
  5. Step 5: Solve for x
    x = 60,141,455.11/10,177.14
  6. Step 6: Final answer
    x = 5,909.47

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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.