Home / 10,366.40-14,305.60-5,650.68

Finding the Fourth Proportional to 10,366.40, 14,305.60 and 5,650.68

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Solution

The fourth proportional to 10,366.40, 14,305.60 and 5,650.68 is: 7,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.40 : 14,305.60 = 5,650.68 : x
  2. Step 2: Convert to fraction form
    10,366.40/14,305.60 = 5,650.68/x
  3. Step 3: Cross multiply
    10,366.40x = 14,305.60 × 5,650.68
  4. Step 4: Simplify right side
    10,366.40x = 80,836,367.81
  5. Step 5: Solve for x
    x = 80,836,367.81/10,366.40
  6. Step 6: Final answer
    x = 7,797.92

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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.