Home / 10,056.44-13,868.79-6,279.95

Finding the Fourth Proportional to 10,056.44, 13,868.79 and 6,279.95

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Solution

The fourth proportional to 10,056.44, 13,868.79 and 6,279.95 is: 8,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,056.44 : 13,868.79 = 6,279.95 : x
  2. Step 2: Convert to fraction form
    10,056.44/13,868.79 = 6,279.95/x
  3. Step 3: Cross multiply
    10,056.44x = 13,868.79 × 6,279.95
  4. Step 4: Simplify right side
    10,056.44x = 87,095,238.42
  5. Step 5: Solve for x
    x = 87,095,238.42/10,056.44
  6. Step 6: Final answer
    x = 8,660.65

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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.