Home / 12,088.16-18,144.48-8,377.60

Finding the Fourth Proportional to 12,088.16, 18,144.48 and 8,377.60

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Solution

The fourth proportional to 12,088.16, 18,144.48 and 8,377.60 is: 12,574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.16 : 18,144.48 = 8,377.60 : x
  2. Step 2: Convert to fraction form
    12,088.16/18,144.48 = 8,377.60/x
  3. Step 3: Cross multiply
    12,088.16x = 18,144.48 × 8,377.60
  4. Step 4: Simplify right side
    12,088.16x = 152,007,195.65
  5. Step 5: Solve for x
    x = 152,007,195.65/12,088.16
  6. Step 6: Final answer
    x = 12,574.88

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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.