Home / 12,116.76-18,177.20-3,795.14

Finding the Fourth Proportional to 12,116.76, 18,177.20 and 3,795.14

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Solution

The fourth proportional to 12,116.76, 18,177.20 and 3,795.14 is: 5,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.76 : 18,177.20 = 3,795.14 : x
  2. Step 2: Convert to fraction form
    12,116.76/18,177.20 = 3,795.14/x
  3. Step 3: Cross multiply
    12,116.76x = 18,177.20 × 3,795.14
  4. Step 4: Simplify right side
    12,116.76x = 68,985,018.81
  5. Step 5: Solve for x
    x = 68,985,018.81/12,116.76
  6. Step 6: Final answer
    x = 5,693.36

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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.