Home / 11,619.97-16,035.90-6,315.13

Finding the Fourth Proportional to 11,619.97, 16,035.90 and 6,315.13

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Solution

The fourth proportional to 11,619.97, 16,035.90 and 6,315.13 is: 8,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.97 : 16,035.90 = 6,315.13 : x
  2. Step 2: Convert to fraction form
    11,619.97/16,035.90 = 6,315.13/x
  3. Step 3: Cross multiply
    11,619.97x = 16,035.90 × 6,315.13
  4. Step 4: Simplify right side
    11,619.97x = 101,268,793.17
  5. Step 5: Solve for x
    x = 101,268,793.17/11,619.97
  6. Step 6: Final answer
    x = 8,715.06

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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.