Home / 10,276.54-15,403.87-5,341.21

Finding the Fourth Proportional to 10,276.54, 15,403.87 and 5,341.21

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Solution

The fourth proportional to 10,276.54, 15,403.87 and 5,341.21 is: 8,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.54 : 15,403.87 = 5,341.21 : x
  2. Step 2: Convert to fraction form
    10,276.54/15,403.87 = 5,341.21/x
  3. Step 3: Cross multiply
    10,276.54x = 15,403.87 × 5,341.21
  4. Step 4: Simplify right side
    10,276.54x = 82,275,304.48
  5. Step 5: Solve for x
    x = 82,275,304.48/10,276.54
  6. Step 6: Final answer
    x = 8,006.13

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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.