Home / 16,391.40-24,587.10-11,207.40

Finding the Fourth Proportional to 16,391.40, 24,587.10 and 11,207.40

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Solution

The fourth proportional to 16,391.40, 24,587.10 and 11,207.40 is: 16,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391.40 : 24,587.10 = 11,207.40 : x
  2. Step 2: Convert to fraction form
    16,391.40/24,587.10 = 11,207.40/x
  3. Step 3: Cross multiply
    16,391.40x = 24,587.10 × 11,207.40
  4. Step 4: Simplify right side
    16,391.40x = 275,557,464.54
  5. Step 5: Solve for x
    x = 275,557,464.54/16,391.40
  6. Step 6: Final answer
    x = 16,811.10

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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.