Home / 12,055.29-18,084.12-4,156.74

Finding the Fourth Proportional to 12,055.29, 18,084.12 and 4,156.74

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Solution

The fourth proportional to 12,055.29, 18,084.12 and 4,156.74 is: 6,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.29 : 18,084.12 = 4,156.74 : x
  2. Step 2: Convert to fraction form
    12,055.29/18,084.12 = 4,156.74/x
  3. Step 3: Cross multiply
    12,055.29x = 18,084.12 × 4,156.74
  4. Step 4: Simplify right side
    12,055.29x = 75,170,984.97
  5. Step 5: Solve for x
    x = 75,170,984.97/12,055.29
  6. Step 6: Final answer
    x = 6,235.52

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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.