Home / 16,992.12-23,448.33-9,438.93

Finding the Fourth Proportional to 16,992.12, 23,448.33 and 9,438.93

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Solution

The fourth proportional to 16,992.12, 23,448.33 and 9,438.93 is: 13,025.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,992.12 : 23,448.33 = 9,438.93 : x
  2. Step 2: Convert to fraction form
    16,992.12/23,448.33 = 9,438.93/x
  3. Step 3: Cross multiply
    16,992.12x = 23,448.33 × 9,438.93
  4. Step 4: Simplify right side
    16,992.12x = 221,327,145.49
  5. Step 5: Solve for x
    x = 221,327,145.49/16,992.12
  6. Step 6: Final answer
    x = 13,025.28

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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.