Home / 26,100.12-39,150.04-6,378.76

Finding the Fourth Proportional to 26,100.12, 39,150.04 and 6,378.76

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Solution

The fourth proportional to 26,100.12, 39,150.04 and 6,378.76 is: 9,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,100.12 : 39,150.04 = 6,378.76 : x
  2. Step 2: Convert to fraction form
    26,100.12/39,150.04 = 6,378.76/x
  3. Step 3: Cross multiply
    26,100.12x = 39,150.04 × 6,378.76
  4. Step 4: Simplify right side
    26,100.12x = 249,728,709.15
  5. Step 5: Solve for x
    x = 249,728,709.15/26,100.12
  6. Step 6: Final answer
    x = 9,568.11

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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.