Home / 11,353.52-17,017.32-4,778.48

Finding the Fourth Proportional to 11,353.52, 17,017.32 and 4,778.48

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Solution

The fourth proportional to 11,353.52, 17,017.32 and 4,778.48 is: 7,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.52 : 17,017.32 = 4,778.48 : x
  2. Step 2: Convert to fraction form
    11,353.52/17,017.32 = 4,778.48/x
  3. Step 3: Cross multiply
    11,353.52x = 17,017.32 × 4,778.48
  4. Step 4: Simplify right side
    11,353.52x = 81,316,923.27
  5. Step 5: Solve for x
    x = 81,316,923.27/11,353.52
  6. Step 6: Final answer
    x = 7,162.27

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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.