Home / 11,260.77-15,541.40-6,480.61

Finding the Fourth Proportional to 11,260.77, 15,541.40 and 6,480.61

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Solution

The fourth proportional to 11,260.77, 15,541.40 and 6,480.61 is: 8,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.77 : 15,541.40 = 6,480.61 : x
  2. Step 2: Convert to fraction form
    11,260.77/15,541.40 = 6,480.61/x
  3. Step 3: Cross multiply
    11,260.77x = 15,541.40 × 6,480.61
  4. Step 4: Simplify right side
    11,260.77x = 100,717,752.25
  5. Step 5: Solve for x
    x = 100,717,752.25/11,260.77
  6. Step 6: Final answer
    x = 8,944.13

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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.