Home / 14,040.75-21,063.17-5,721.28

Finding the Fourth Proportional to 14,040.75, 21,063.17 and 5,721.28

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Solution

The fourth proportional to 14,040.75, 21,063.17 and 5,721.28 is: 8,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.75 : 21,063.17 = 5,721.28 : x
  2. Step 2: Convert to fraction form
    14,040.75/21,063.17 = 5,721.28/x
  3. Step 3: Cross multiply
    14,040.75x = 21,063.17 × 5,721.28
  4. Step 4: Simplify right side
    14,040.75x = 120,508,293.26
  5. Step 5: Solve for x
    x = 120,508,293.26/14,040.75
  6. Step 6: Final answer
    x = 8,582.75

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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.