Home / 23,169.20-34,764.60-12,088.40

Finding the Fourth Proportional to 23,169.20, 34,764.60 and 12,088.40

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Solution

The fourth proportional to 23,169.20, 34,764.60 and 12,088.40 is: 18,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.20 : 34,764.60 = 12,088.40 : x
  2. Step 2: Convert to fraction form
    23,169.20/34,764.60 = 12,088.40/x
  3. Step 3: Cross multiply
    23,169.20x = 34,764.60 × 12,088.40
  4. Step 4: Simplify right side
    23,169.20x = 420,248,390.64
  5. Step 5: Solve for x
    x = 420,248,390.64/23,169.20
  6. Step 6: Final answer
    x = 18,138.23

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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.