Home / 10,276.50-15,412.38-2,881.68

Finding the Fourth Proportional to 10,276.50, 15,412.38 and 2,881.68

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Solution

The fourth proportional to 10,276.50, 15,412.38 and 2,881.68 is: 4,321.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.50 : 15,412.38 = 2,881.68 : x
  2. Step 2: Convert to fraction form
    10,276.50/15,412.38 = 2,881.68/x
  3. Step 3: Cross multiply
    10,276.50x = 15,412.38 × 2,881.68
  4. Step 4: Simplify right side
    10,276.50x = 44,413,547.20
  5. Step 5: Solve for x
    x = 44,413,547.20/10,276.50
  6. Step 6: Final answer
    x = 4,321.86

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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.