Home / 18,085.14-27,127.98-5,605.02

Finding the Fourth Proportional to 18,085.14, 27,127.98 and 5,605.02

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Solution

The fourth proportional to 18,085.14, 27,127.98 and 5,605.02 is: 8,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.14 : 27,127.98 = 5,605.02 : x
  2. Step 2: Convert to fraction form
    18,085.14/27,127.98 = 5,605.02/x
  3. Step 3: Cross multiply
    18,085.14x = 27,127.98 × 5,605.02
  4. Step 4: Simplify right side
    18,085.14x = 152,052,870.46
  5. Step 5: Solve for x
    x = 152,052,870.46/18,085.14
  6. Step 6: Final answer
    x = 8,407.61

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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.