Home / 10,818-14,929.20-6,625.44

Finding the Fourth Proportional to 10,818, 14,929.20 and 6,625.44

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Solution

The fourth proportional to 10,818, 14,929.20 and 6,625.44 is: 9,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818 : 14,929.20 = 6,625.44 : x
  2. Step 2: Convert to fraction form
    10,818/14,929.20 = 6,625.44/x
  3. Step 3: Cross multiply
    10,818x = 14,929.20 × 6,625.44
  4. Step 4: Simplify right side
    10,818x = 98,912,518.85
  5. Step 5: Solve for x
    x = 98,912,518.85/10,818
  6. Step 6: Final answer
    x = 9,143.33

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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.