Home / 17,979.12-24,811.80-10,021.04

Finding the Fourth Proportional to 17,979.12, 24,811.80 and 10,021.04

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Solution

The fourth proportional to 17,979.12, 24,811.80 and 10,021.04 is: 13,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.12 : 24,811.80 = 10,021.04 : x
  2. Step 2: Convert to fraction form
    17,979.12/24,811.80 = 10,021.04/x
  3. Step 3: Cross multiply
    17,979.12x = 24,811.80 × 10,021.04
  4. Step 4: Simplify right side
    17,979.12x = 248,640,040.27
  5. Step 5: Solve for x
    x = 248,640,040.27/17,979.12
  6. Step 6: Final answer
    x = 13,829.38

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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.