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Finding the Fourth Proportional to 10,778.76, 14,873.49 and 6,062.94

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Solution

The fourth proportional to 10,778.76, 14,873.49 and 6,062.94 is: 8,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.76 : 14,873.49 = 6,062.94 : x
  2. Step 2: Convert to fraction form
    10,778.76/14,873.49 = 6,062.94/x
  3. Step 3: Cross multiply
    10,778.76x = 14,873.49 × 6,062.94
  4. Step 4: Simplify right side
    10,778.76x = 90,177,077.46
  5. Step 5: Solve for x
    x = 90,177,077.46/10,778.76
  6. Step 6: Final answer
    x = 8,366.18

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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.