Home / 10,200.28-15,295.80-3,626.64

Finding the Fourth Proportional to 10,200.28, 15,295.80 and 3,626.64

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Solution

The fourth proportional to 10,200.28, 15,295.80 and 3,626.64 is: 5,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.28 : 15,295.80 = 3,626.64 : x
  2. Step 2: Convert to fraction form
    10,200.28/15,295.80 = 3,626.64/x
  3. Step 3: Cross multiply
    10,200.28x = 15,295.80 × 3,626.64
  4. Step 4: Simplify right side
    10,200.28x = 55,472,373.71
  5. Step 5: Solve for x
    x = 55,472,373.71/10,200.28
  6. Step 6: Final answer
    x = 5,438.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.