Home / 17,497.61-26,231.56-8,143.07

Finding the Fourth Proportional to 17,497.61, 26,231.56 and 8,143.07

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Solution

The fourth proportional to 17,497.61, 26,231.56 and 8,143.07 is: 12,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,497.61 : 26,231.56 = 8,143.07 : x
  2. Step 2: Convert to fraction form
    17,497.61/26,231.56 = 8,143.07/x
  3. Step 3: Cross multiply
    17,497.61x = 26,231.56 × 8,143.07
  4. Step 4: Simplify right side
    17,497.61x = 213,605,277.77
  5. Step 5: Solve for x
    x = 213,605,277.77/17,497.61
  6. Step 6: Final answer
    x = 12,207.68

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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.