Home / 15,177.38-22,768.95-6,857.30

Finding the Fourth Proportional to 15,177.38, 22,768.95 and 6,857.30

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Solution

The fourth proportional to 15,177.38, 22,768.95 and 6,857.30 is: 10,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.38 : 22,768.95 = 6,857.30 : x
  2. Step 2: Convert to fraction form
    15,177.38/22,768.95 = 6,857.30/x
  3. Step 3: Cross multiply
    15,177.38x = 22,768.95 × 6,857.30
  4. Step 4: Simplify right side
    15,177.38x = 156,133,520.84
  5. Step 5: Solve for x
    x = 156,133,520.84/15,177.38
  6. Step 6: Final answer
    x = 10,287.25

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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.