Home / 9,360.47-12,917.25-5,111.66

Finding the Fourth Proportional to 9,360.47, 12,917.25 and 5,111.66

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Solution

The fourth proportional to 9,360.47, 12,917.25 and 5,111.66 is: 7,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.47 : 12,917.25 = 5,111.66 : x
  2. Step 2: Convert to fraction form
    9,360.47/12,917.25 = 5,111.66/x
  3. Step 3: Cross multiply
    9,360.47x = 12,917.25 × 5,111.66
  4. Step 4: Simplify right side
    9,360.47x = 66,028,590.14
  5. Step 5: Solve for x
    x = 66,028,590.14/9,360.47
  6. Step 6: Final answer
    x = 7,053.98

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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.