Home / 19,828.96-29,751.84-9,963.04

Finding the Fourth Proportional to 19,828.96, 29,751.84 and 9,963.04

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Solution

The fourth proportional to 19,828.96, 29,751.84 and 9,963.04 is: 14,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.96 : 29,751.84 = 9,963.04 : x
  2. Step 2: Convert to fraction form
    19,828.96/29,751.84 = 9,963.04/x
  3. Step 3: Cross multiply
    19,828.96x = 29,751.84 × 9,963.04
  4. Step 4: Simplify right side
    19,828.96x = 296,418,771.99
  5. Step 5: Solve for x
    x = 296,418,771.99/19,828.96
  6. Step 6: Final answer
    x = 14,948.78

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1.5x scale

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.