Home / 17,968.40-26,939.64-12,110.48

Finding the Fourth Proportional to 17,968.40, 26,939.64 and 12,110.48

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Solution

The fourth proportional to 17,968.40, 26,939.64 and 12,110.48 is: 18,156.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968.40 : 26,939.64 = 12,110.48 : x
  2. Step 2: Convert to fraction form
    17,968.40/26,939.64 = 12,110.48/x
  3. Step 3: Cross multiply
    17,968.40x = 26,939.64 × 12,110.48
  4. Step 4: Simplify right side
    17,968.40x = 326,251,971.43
  5. Step 5: Solve for x
    x = 326,251,971.43/17,968.40
  6. Step 6: Final answer
    x = 18,156.99

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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.