Home / 14,929.86-20,596.31-9,626.38

Finding the Fourth Proportional to 14,929.86, 20,596.31 and 9,626.38

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Solution

The fourth proportional to 14,929.86, 20,596.31 and 9,626.38 is: 13,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.86 : 20,596.31 = 9,626.38 : x
  2. Step 2: Convert to fraction form
    14,929.86/20,596.31 = 9,626.38/x
  3. Step 3: Cross multiply
    14,929.86x = 20,596.31 × 9,626.38
  4. Step 4: Simplify right side
    14,929.86x = 198,267,906.66
  5. Step 5: Solve for x
    x = 198,267,906.66/14,929.86
  6. Step 6: Final answer
    x = 13,279.96

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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.