Home / 9,390.33-12,959.06-5,141.54

Finding the Fourth Proportional to 9,390.33, 12,959.06 and 5,141.54

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Solution

The fourth proportional to 9,390.33, 12,959.06 and 5,141.54 is: 7,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.33 : 12,959.06 = 5,141.54 : x
  2. Step 2: Convert to fraction form
    9,390.33/12,959.06 = 5,141.54/x
  3. Step 3: Cross multiply
    9,390.33x = 12,959.06 × 5,141.54
  4. Step 4: Simplify right side
    9,390.33x = 66,629,532.04
  5. Step 5: Solve for x
    x = 66,629,532.04/9,390.33
  6. Step 6: Final answer
    x = 7,095.55

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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.