Home / 11,358.51-17,040.56-5,439.89

Finding the Fourth Proportional to 11,358.51, 17,040.56 and 5,439.89

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Solution

The fourth proportional to 11,358.51, 17,040.56 and 5,439.89 is: 8,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.51 : 17,040.56 = 5,439.89 : x
  2. Step 2: Convert to fraction form
    11,358.51/17,040.56 = 5,439.89/x
  3. Step 3: Cross multiply
    11,358.51x = 17,040.56 × 5,439.89
  4. Step 4: Simplify right side
    11,358.51x = 92,698,659.54
  5. Step 5: Solve for x
    x = 92,698,659.54/11,358.51
  6. Step 6: Final answer
    x = 8,161.16

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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.