Home / 17,979.78-24,811.26-10,022.76

Finding the Fourth Proportional to 17,979.78, 24,811.26 and 10,022.76

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Solution

The fourth proportional to 17,979.78, 24,811.26 and 10,022.76 is: 13,830.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.78 : 24,811.26 = 10,022.76 : x
  2. Step 2: Convert to fraction form
    17,979.78/24,811.26 = 10,022.76/x
  3. Step 3: Cross multiply
    17,979.78x = 24,811.26 × 10,022.76
  4. Step 4: Simplify right side
    17,979.78x = 248,677,304.28
  5. Step 5: Solve for x
    x = 248,677,304.28/17,979.78
  6. Step 6: Final answer
    x = 13,830.94

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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.