Home / 18,146.10-27,229.66-7,615.18

Finding the Fourth Proportional to 18,146.10, 27,229.66 and 7,615.18

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Solution

The fourth proportional to 18,146.10, 27,229.66 and 7,615.18 is: 11,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.10 : 27,229.66 = 7,615.18 : x
  2. Step 2: Convert to fraction form
    18,146.10/27,229.66 = 7,615.18/x
  3. Step 3: Cross multiply
    18,146.10x = 27,229.66 × 7,615.18
  4. Step 4: Simplify right side
    18,146.10x = 207,358,762.24
  5. Step 5: Solve for x
    x = 207,358,762.24/18,146.10
  6. Step 6: Final answer
    x = 11,427.18

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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.