Home / 12,088.32-18,132.80-3,323.20

Finding the Fourth Proportional to 12,088.32, 18,132.80 and 3,323.20

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Solution

The fourth proportional to 12,088.32, 18,132.80 and 3,323.20 is: 4,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.32 : 18,132.80 = 3,323.20 : x
  2. Step 2: Convert to fraction form
    12,088.32/18,132.80 = 3,323.20/x
  3. Step 3: Cross multiply
    12,088.32x = 18,132.80 × 3,323.20
  4. Step 4: Simplify right side
    12,088.32x = 60,258,920.96
  5. Step 5: Solve for x
    x = 60,258,920.96/12,088.32
  6. Step 6: Final answer
    x = 4,984.89

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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.