Home / 14,512.22-20,021.10-9,474.82

Finding the Fourth Proportional to 14,512.22, 20,021.10 and 9,474.82

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Solution

The fourth proportional to 14,512.22, 20,021.10 and 9,474.82 is: 13,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.22 : 20,021.10 = 9,474.82 : x
  2. Step 2: Convert to fraction form
    14,512.22/20,021.10 = 9,474.82/x
  3. Step 3: Cross multiply
    14,512.22x = 20,021.10 × 9,474.82
  4. Step 4: Simplify right side
    14,512.22x = 189,696,318.70
  5. Step 5: Solve for x
    x = 189,696,318.70/14,512.22
  6. Step 6: Final answer
    x = 13,071.49

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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.