Home / 17,781.36-26,676.69-10,392.13

Finding the Fourth Proportional to 17,781.36, 26,676.69 and 10,392.13

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Solution

The fourth proportional to 17,781.36, 26,676.69 and 10,392.13 is: 15,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.36 : 26,676.69 = 10,392.13 : x
  2. Step 2: Convert to fraction form
    17,781.36/26,676.69 = 10,392.13/x
  3. Step 3: Cross multiply
    17,781.36x = 26,676.69 × 10,392.13
  4. Step 4: Simplify right side
    17,781.36x = 277,227,630.45
  5. Step 5: Solve for x
    x = 277,227,630.45/17,781.36
  6. Step 6: Final answer
    x = 15,590.91

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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.