Home / 17,645.03-26,471.60-5,164.76

Finding the Fourth Proportional to 17,645.03, 26,471.60 and 5,164.76

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Solution

The fourth proportional to 17,645.03, 26,471.60 and 5,164.76 is: 7,748.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.03 : 26,471.60 = 5,164.76 : x
  2. Step 2: Convert to fraction form
    17,645.03/26,471.60 = 5,164.76/x
  3. Step 3: Cross multiply
    17,645.03x = 26,471.60 × 5,164.76
  4. Step 4: Simplify right side
    17,645.03x = 136,719,302.63
  5. Step 5: Solve for x
    x = 136,719,302.63/17,645.03
  6. Step 6: Final answer
    x = 7,748.32

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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.