Home / 10,397.92-15,596.88-4,161.28

Finding the Fourth Proportional to 10,397.92, 15,596.88 and 4,161.28

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Solution

The fourth proportional to 10,397.92, 15,596.88 and 4,161.28 is: 6,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.92 : 15,596.88 = 4,161.28 : x
  2. Step 2: Convert to fraction form
    10,397.92/15,596.88 = 4,161.28/x
  3. Step 3: Cross multiply
    10,397.92x = 15,596.88 × 4,161.28
  4. Step 4: Simplify right side
    10,397.92x = 64,902,984.81
  5. Step 5: Solve for x
    x = 64,902,984.81/10,397.92
  6. Step 6: Final answer
    x = 6,241.92

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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.