Home / 11,019.92-15,207.60-5,984.20

Finding the Fourth Proportional to 11,019.92, 15,207.60 and 5,984.20

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Solution

The fourth proportional to 11,019.92, 15,207.60 and 5,984.20 is: 8,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.92 : 15,207.60 = 5,984.20 : x
  2. Step 2: Convert to fraction form
    11,019.92/15,207.60 = 5,984.20/x
  3. Step 3: Cross multiply
    11,019.92x = 15,207.60 × 5,984.20
  4. Step 4: Simplify right side
    11,019.92x = 91,005,319.92
  5. Step 5: Solve for x
    x = 91,005,319.92/11,019.92
  6. Step 6: Final answer
    x = 8,258.26

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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.