Home / 19,636.80-29,461.92-9,249.12

Finding the Fourth Proportional to 19,636.80, 29,461.92 and 9,249.12

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Solution

The fourth proportional to 19,636.80, 29,461.92 and 9,249.12 is: 13,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.80 : 29,461.92 = 9,249.12 : x
  2. Step 2: Convert to fraction form
    19,636.80/29,461.92 = 9,249.12/x
  3. Step 3: Cross multiply
    19,636.80x = 29,461.92 × 9,249.12
  4. Step 4: Simplify right side
    19,636.80x = 272,496,833.51
  5. Step 5: Solve for x
    x = 272,496,833.51/19,636.80
  6. Step 6: Final answer
    x = 13,876.85

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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.