Home / 17,980.33-26,979.59-12,124.63

Finding the Fourth Proportional to 17,980.33, 26,979.59 and 12,124.63

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Solution

The fourth proportional to 17,980.33, 26,979.59 and 12,124.63 is: 18,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.33 : 26,979.59 = 12,124.63 : x
  2. Step 2: Convert to fraction form
    17,980.33/26,979.59 = 12,124.63/x
  3. Step 3: Cross multiply
    17,980.33x = 26,979.59 × 12,124.63
  4. Step 4: Simplify right side
    17,980.33x = 327,117,546.30
  5. Step 5: Solve for x
    x = 327,117,546.30/17,980.33
  6. Step 6: Final answer
    x = 18,193.08

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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.