Home / 11,019.85-15,201.06-8,032.16

Finding the Fourth Proportional to 11,019.85, 15,201.06 and 8,032.16

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Solution

The fourth proportional to 11,019.85, 15,201.06 and 8,032.16 is: 11,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.85 : 15,201.06 = 8,032.16 : x
  2. Step 2: Convert to fraction form
    11,019.85/15,201.06 = 8,032.16/x
  3. Step 3: Cross multiply
    11,019.85x = 15,201.06 × 8,032.16
  4. Step 4: Simplify right side
    11,019.85x = 122,097,346.09
  5. Step 5: Solve for x
    x = 122,097,346.09/11,019.85
  6. Step 6: Final answer
    x = 11,079.76

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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.