Home / 14,275.89-21,433.20-8,040.24

Finding the Fourth Proportional to 14,275.89, 21,433.20 and 8,040.24

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Solution

The fourth proportional to 14,275.89, 21,433.20 and 8,040.24 is: 12,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.89 : 21,433.20 = 8,040.24 : x
  2. Step 2: Convert to fraction form
    14,275.89/21,433.20 = 8,040.24/x
  3. Step 3: Cross multiply
    14,275.89x = 21,433.20 × 8,040.24
  4. Step 4: Simplify right side
    14,275.89x = 172,328,071.97
  5. Step 5: Solve for x
    x = 172,328,071.97/14,275.89
  6. Step 6: Final answer
    x = 12,071.27

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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.