Home / 18,233.67-27,339.55-7,127.12

Finding the Fourth Proportional to 18,233.67, 27,339.55 and 7,127.12

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Solution

The fourth proportional to 18,233.67, 27,339.55 and 7,127.12 is: 10,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.67 : 27,339.55 = 7,127.12 : x
  2. Step 2: Convert to fraction form
    18,233.67/27,339.55 = 7,127.12/x
  3. Step 3: Cross multiply
    18,233.67x = 27,339.55 × 7,127.12
  4. Step 4: Simplify right side
    18,233.67x = 194,852,253.60
  5. Step 5: Solve for x
    x = 194,852,253.60/18,233.67
  6. Step 6: Final answer
    x = 10,686.40

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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.