Home / 17,390.05-26,089.95-5,711.47

Finding the Fourth Proportional to 17,390.05, 26,089.95 and 5,711.47

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Solution

The fourth proportional to 17,390.05, 26,089.95 and 5,711.47 is: 8,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.05 : 26,089.95 = 5,711.47 : x
  2. Step 2: Convert to fraction form
    17,390.05/26,089.95 = 5,711.47/x
  3. Step 3: Cross multiply
    17,390.05x = 26,089.95 × 5,711.47
  4. Step 4: Simplify right side
    17,390.05x = 149,011,966.73
  5. Step 5: Solve for x
    x = 149,011,966.73/17,390.05
  6. Step 6: Final answer
    x = 8,568.81

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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.