Home / 17,161.47-25,749.59-6,638.87

Finding the Fourth Proportional to 17,161.47, 25,749.59 and 6,638.87

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Solution

The fourth proportional to 17,161.47, 25,749.59 and 6,638.87 is: 9,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,161.47 : 25,749.59 = 6,638.87 : x
  2. Step 2: Convert to fraction form
    17,161.47/25,749.59 = 6,638.87/x
  3. Step 3: Cross multiply
    17,161.47x = 25,749.59 × 6,638.87
  4. Step 4: Simplify right side
    17,161.47x = 170,948,211.74
  5. Step 5: Solve for x
    x = 170,948,211.74/17,161.47
  6. Step 6: Final answer
    x = 9,961.16

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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.