Home / 9,360.29-12,917.22-5,111.39

Finding the Fourth Proportional to 9,360.29, 12,917.22 and 5,111.39

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Solution

The fourth proportional to 9,360.29, 12,917.22 and 5,111.39 is: 7,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.29 : 12,917.22 = 5,111.39 : x
  2. Step 2: Convert to fraction form
    9,360.29/12,917.22 = 5,111.39/x
  3. Step 3: Cross multiply
    9,360.29x = 12,917.22 × 5,111.39
  4. Step 4: Simplify right side
    9,360.29x = 66,024,884.55
  5. Step 5: Solve for x
    x = 66,024,884.55/9,360.29
  6. Step 6: Final answer
    x = 7,053.73

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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.