Home / 10,106.64-13,947.39-5,630.85

Finding the Fourth Proportional to 10,106.64, 13,947.39 and 5,630.85

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Solution

The fourth proportional to 10,106.64, 13,947.39 and 5,630.85 is: 7,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.64 : 13,947.39 = 5,630.85 : x
  2. Step 2: Convert to fraction form
    10,106.64/13,947.39 = 5,630.85/x
  3. Step 3: Cross multiply
    10,106.64x = 13,947.39 × 5,630.85
  4. Step 4: Simplify right side
    10,106.64x = 78,535,660.98
  5. Step 5: Solve for x
    x = 78,535,660.98/10,106.64
  6. Step 6: Final answer
    x = 7,770.70

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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.