Home / 18,141.13-27,211.69-6,454.38

Finding the Fourth Proportional to 18,141.13, 27,211.69 and 6,454.38

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Solution

The fourth proportional to 18,141.13, 27,211.69 and 6,454.38 is: 9,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.13 : 27,211.69 = 6,454.38 : x
  2. Step 2: Convert to fraction form
    18,141.13/27,211.69 = 6,454.38/x
  3. Step 3: Cross multiply
    18,141.13x = 27,211.69 × 6,454.38
  4. Step 4: Simplify right side
    18,141.13x = 175,634,587.70
  5. Step 5: Solve for x
    x = 175,634,587.70/18,141.13
  6. Step 6: Final answer
    x = 9,681.57

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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.