Home / 17,867.78-24,659.33-9,911.55

Finding the Fourth Proportional to 17,867.78, 24,659.33 and 9,911.55

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Solution

The fourth proportional to 17,867.78, 24,659.33 and 9,911.55 is: 13,678.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.78 : 24,659.33 = 9,911.55 : x
  2. Step 2: Convert to fraction form
    17,867.78/24,659.33 = 9,911.55/x
  3. Step 3: Cross multiply
    17,867.78x = 24,659.33 × 9,911.55
  4. Step 4: Simplify right side
    17,867.78x = 244,412,182.26
  5. Step 5: Solve for x
    x = 244,412,182.26/17,867.78
  6. Step 6: Final answer
    x = 13,678.93

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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.