Home / 10,268.76-15,403.12-4,112.76

Finding the Fourth Proportional to 10,268.76, 15,403.12 and 4,112.76

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Solution

The fourth proportional to 10,268.76, 15,403.12 and 4,112.76 is: 6,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.76 : 15,403.12 = 4,112.76 : x
  2. Step 2: Convert to fraction form
    10,268.76/15,403.12 = 4,112.76/x
  3. Step 3: Cross multiply
    10,268.76x = 15,403.12 × 4,112.76
  4. Step 4: Simplify right side
    10,268.76x = 63,349,335.81
  5. Step 5: Solve for x
    x = 63,349,335.81/10,268.76
  6. Step 6: Final answer
    x = 6,169.13

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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.