Home / 14,387.26-19,854.79-8,099.86

Finding the Fourth Proportional to 14,387.26, 19,854.79 and 8,099.86

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Solution

The fourth proportional to 14,387.26, 19,854.79 and 8,099.86 is: 11,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.26 : 19,854.79 = 8,099.86 : x
  2. Step 2: Convert to fraction form
    14,387.26/19,854.79 = 8,099.86/x
  3. Step 3: Cross multiply
    14,387.26x = 19,854.79 × 8,099.86
  4. Step 4: Simplify right side
    14,387.26x = 160,821,019.33
  5. Step 5: Solve for x
    x = 160,821,019.33/14,387.26
  6. Step 6: Final answer
    x = 11,178.02

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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.