Home / 10,391.06-14,339.66-5,675.33

Finding the Fourth Proportional to 10,391.06, 14,339.66 and 5,675.33

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Solution

The fourth proportional to 10,391.06, 14,339.66 and 5,675.33 is: 7,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.06 : 14,339.66 = 5,675.33 : x
  2. Step 2: Convert to fraction form
    10,391.06/14,339.66 = 5,675.33/x
  3. Step 3: Cross multiply
    10,391.06x = 14,339.66 × 5,675.33
  4. Step 4: Simplify right side
    10,391.06x = 81,382,202.51
  5. Step 5: Solve for x
    x = 81,382,202.51/10,391.06
  6. Step 6: Final answer
    x = 7,831.95

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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.