Home / 10,178.55-15,262.29-3,156.66

Finding the Fourth Proportional to 10,178.55, 15,262.29 and 3,156.66

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Solution

The fourth proportional to 10,178.55, 15,262.29 and 3,156.66 is: 4,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.55 : 15,262.29 = 3,156.66 : x
  2. Step 2: Convert to fraction form
    10,178.55/15,262.29 = 3,156.66/x
  3. Step 3: Cross multiply
    10,178.55x = 15,262.29 × 3,156.66
  4. Step 4: Simplify right side
    10,178.55x = 48,177,860.35
  5. Step 5: Solve for x
    x = 48,177,860.35/10,178.55
  6. Step 6: Final answer
    x = 4,733.27

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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.