Home / 10,091.62-15,141.21-4,543.30

Finding the Fourth Proportional to 10,091.62, 15,141.21 and 4,543.30

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Solution

The fourth proportional to 10,091.62, 15,141.21 and 4,543.30 is: 6,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.62 : 15,141.21 = 4,543.30 : x
  2. Step 2: Convert to fraction form
    10,091.62/15,141.21 = 4,543.30/x
  3. Step 3: Cross multiply
    10,091.62x = 15,141.21 × 4,543.30
  4. Step 4: Simplify right side
    10,091.62x = 68,791,059.39
  5. Step 5: Solve for x
    x = 68,791,059.39/10,091.62
  6. Step 6: Final answer
    x = 6,816.65

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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.