Home / 12,117.46-18,177.18-3,353.08

Finding the Fourth Proportional to 12,117.46, 18,177.18 and 3,353.08

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Solution

The fourth proportional to 12,117.46, 18,177.18 and 3,353.08 is: 5,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.46 : 18,177.18 = 3,353.08 : x
  2. Step 2: Convert to fraction form
    12,117.46/18,177.18 = 3,353.08/x
  3. Step 3: Cross multiply
    12,117.46x = 18,177.18 × 3,353.08
  4. Step 4: Simplify right side
    12,117.46x = 60,949,538.71
  5. Step 5: Solve for x
    x = 60,949,538.71/12,117.46
  6. Step 6: Final answer
    x = 5,029.89

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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.