Home / 11,581.29-15,982.16-6,276.15

Finding the Fourth Proportional to 11,581.29, 15,982.16 and 6,276.15

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Solution

The fourth proportional to 11,581.29, 15,982.16 and 6,276.15 is: 8,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.29 : 15,982.16 = 6,276.15 : x
  2. Step 2: Convert to fraction form
    11,581.29/15,982.16 = 6,276.15/x
  3. Step 3: Cross multiply
    11,581.29x = 15,982.16 × 6,276.15
  4. Step 4: Simplify right side
    11,581.29x = 100,306,402.10
  5. Step 5: Solve for x
    x = 100,306,402.10/11,581.29
  6. Step 6: Final answer
    x = 8,661.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.