Home / 17,676.09-26,510.85-7,143.35

Finding the Fourth Proportional to 17,676.09, 26,510.85 and 7,143.35

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Solution

The fourth proportional to 17,676.09, 26,510.85 and 7,143.35 is: 10,713.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,676.09 : 26,510.85 = 7,143.35 : x
  2. Step 2: Convert to fraction form
    17,676.09/26,510.85 = 7,143.35/x
  3. Step 3: Cross multiply
    17,676.09x = 26,510.85 × 7,143.35
  4. Step 4: Simplify right side
    17,676.09x = 189,376,147.79
  5. Step 5: Solve for x
    x = 189,376,147.79/17,676.09
  6. Step 6: Final answer
    x = 10,713.69

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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.