Home / 19,302.18-28,959.15-9,440.03

Finding the Fourth Proportional to 19,302.18, 28,959.15 and 9,440.03

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Solution

The fourth proportional to 19,302.18, 28,959.15 and 9,440.03 is: 14,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.18 : 28,959.15 = 9,440.03 : x
  2. Step 2: Convert to fraction form
    19,302.18/28,959.15 = 9,440.03/x
  3. Step 3: Cross multiply
    19,302.18x = 28,959.15 × 9,440.03
  4. Step 4: Simplify right side
    19,302.18x = 273,375,099.98
  5. Step 5: Solve for x
    x = 273,375,099.98/19,302.18
  6. Step 6: Final answer
    x = 14,162.91

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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.