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Finding the Fourth Proportional to 9,012, 12,436.80 and 5,873.76

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Solution

The fourth proportional to 9,012, 12,436.80 and 5,873.76 is: 8,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012 : 12,436.80 = 5,873.76 : x
  2. Step 2: Convert to fraction form
    9,012/12,436.80 = 5,873.76/x
  3. Step 3: Cross multiply
    9,012x = 12,436.80 × 5,873.76
  4. Step 4: Simplify right side
    9,012x = 73,050,778.37
  5. Step 5: Solve for x
    x = 73,050,778.37/9,012
  6. Step 6: Final answer
    x = 8,105.95

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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.