Home / 19,756.96-29,620.06-9,891.16

Finding the Fourth Proportional to 19,756.96, 29,620.06 and 9,891.16

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Solution

The fourth proportional to 19,756.96, 29,620.06 and 9,891.16 is: 14,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.96 : 29,620.06 = 9,891.16 : x
  2. Step 2: Convert to fraction form
    19,756.96/29,620.06 = 9,891.16/x
  3. Step 3: Cross multiply
    19,756.96x = 29,620.06 × 9,891.16
  4. Step 4: Simplify right side
    19,756.96x = 292,976,752.67
  5. Step 5: Solve for x
    x = 292,976,752.67/19,756.96
  6. Step 6: Final answer
    x = 14,829.04

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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.