Home / 19,992.96-29,995.92-9,603.36

Finding the Fourth Proportional to 19,992.96, 29,995.92 and 9,603.36

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Solution

The fourth proportional to 19,992.96, 29,995.92 and 9,603.36 is: 14,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.96 : 29,995.92 = 9,603.36 : x
  2. Step 2: Convert to fraction form
    19,992.96/29,995.92 = 9,603.36/x
  3. Step 3: Cross multiply
    19,992.96x = 29,995.92 × 9,603.36
  4. Step 4: Simplify right side
    19,992.96x = 288,061,618.29
  5. Step 5: Solve for x
    x = 288,061,618.29/19,992.96
  6. Step 6: Final answer
    x = 14,408.15

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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.