Home / 17,979.36-24,811.16-10,021.11

Finding the Fourth Proportional to 17,979.36, 24,811.16 and 10,021.11

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Solution

The fourth proportional to 17,979.36, 24,811.16 and 10,021.11 is: 13,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.36 : 24,811.16 = 10,021.11 : x
  2. Step 2: Convert to fraction form
    17,979.36/24,811.16 = 10,021.11/x
  3. Step 3: Cross multiply
    17,979.36x = 24,811.16 × 10,021.11
  4. Step 4: Simplify right side
    17,979.36x = 248,635,388.64
  5. Step 5: Solve for x
    x = 248,635,388.64/17,979.36
  6. Step 6: Final answer
    x = 13,828.93

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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.