Home / 13,732.83-18,951.33-7,445.22

Finding the Fourth Proportional to 13,732.83, 18,951.33 and 7,445.22

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Solution

The fourth proportional to 13,732.83, 18,951.33 and 7,445.22 is: 10,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.83 : 18,951.33 = 7,445.22 : x
  2. Step 2: Convert to fraction form
    13,732.83/18,951.33 = 7,445.22/x
  3. Step 3: Cross multiply
    13,732.83x = 18,951.33 × 7,445.22
  4. Step 4: Simplify right side
    13,732.83x = 141,096,821.14
  5. Step 5: Solve for x
    x = 141,096,821.14/13,732.83
  6. Step 6: Final answer
    x = 10,274.42

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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.