Home / 11,391.84-17,088.84-5,545.26

Finding the Fourth Proportional to 11,391.84, 17,088.84 and 5,545.26

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Solution

The fourth proportional to 11,391.84, 17,088.84 and 5,545.26 is: 8,318.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.84 : 17,088.84 = 5,545.26 : x
  2. Step 2: Convert to fraction form
    11,391.84/17,088.84 = 5,545.26/x
  3. Step 3: Cross multiply
    11,391.84x = 17,088.84 × 5,545.26
  4. Step 4: Simplify right side
    11,391.84x = 94,762,060.90
  5. Step 5: Solve for x
    x = 94,762,060.90/11,391.84
  6. Step 6: Final answer
    x = 8,318.42

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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.