Home / 14,147.29-21,215.92-4,149.26

Finding the Fourth Proportional to 14,147.29, 21,215.92 and 4,149.26

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Solution

The fourth proportional to 14,147.29, 21,215.92 and 4,149.26 is: 6,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.29 : 21,215.92 = 4,149.26 : x
  2. Step 2: Convert to fraction form
    14,147.29/21,215.92 = 4,149.26/x
  3. Step 3: Cross multiply
    14,147.29x = 21,215.92 × 4,149.26
  4. Step 4: Simplify right side
    14,147.29x = 88,030,304.81
  5. Step 5: Solve for x
    x = 88,030,304.81/14,147.29
  6. Step 6: Final answer
    x = 6,222.41

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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.