Home / 12,055.97-18,085.10-4,660.26

Finding the Fourth Proportional to 12,055.97, 18,085.10 and 4,660.26

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Solution

The fourth proportional to 12,055.97, 18,085.10 and 4,660.26 is: 6,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.97 : 18,085.10 = 4,660.26 : x
  2. Step 2: Convert to fraction form
    12,055.97/18,085.10 = 4,660.26/x
  3. Step 3: Cross multiply
    12,055.97x = 18,085.10 × 4,660.26
  4. Step 4: Simplify right side
    12,055.97x = 84,281,244.82
  5. Step 5: Solve for x
    x = 84,281,244.82/12,055.97
  6. Step 6: Final answer
    x = 6,990.83

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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.