Home / 14,099.27-21,149.56-7,854.57

Finding the Fourth Proportional to 14,099.27, 21,149.56 and 7,854.57

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Solution

The fourth proportional to 14,099.27, 21,149.56 and 7,854.57 is: 11,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.27 : 21,149.56 = 7,854.57 : x
  2. Step 2: Convert to fraction form
    14,099.27/21,149.56 = 7,854.57/x
  3. Step 3: Cross multiply
    14,099.27x = 21,149.56 × 7,854.57
  4. Step 4: Simplify right side
    14,099.27x = 166,120,665.13
  5. Step 5: Solve for x
    x = 166,120,665.13/14,099.27
  6. Step 6: Final answer
    x = 11,782.22

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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.