Home / 10,845.68-16,270.98-3,920.18

Finding the Fourth Proportional to 10,845.68, 16,270.98 and 3,920.18

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Solution

The fourth proportional to 10,845.68, 16,270.98 and 3,920.18 is: 5,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.68 : 16,270.98 = 3,920.18 : x
  2. Step 2: Convert to fraction form
    10,845.68/16,270.98 = 3,920.18/x
  3. Step 3: Cross multiply
    10,845.68x = 16,270.98 × 3,920.18
  4. Step 4: Simplify right side
    10,845.68x = 63,785,170.38
  5. Step 5: Solve for x
    x = 63,785,170.38/10,845.68
  6. Step 6: Final answer
    x = 5,881.16

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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.