Home / 11,625.84-17,315.69-11,569.20

Finding the Fourth Proportional to 11,625.84, 17,315.69 and 11,569.20

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Solution

The fourth proportional to 11,625.84, 17,315.69 and 11,569.20 is: 17,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.84 : 17,315.69 = 11,569.20 : x
  2. Step 2: Convert to fraction form
    11,625.84/17,315.69 = 11,569.20/x
  3. Step 3: Cross multiply
    11,625.84x = 17,315.69 × 11,569.20
  4. Step 4: Simplify right side
    11,625.84x = 200,328,680.75
  5. Step 5: Solve for x
    x = 200,328,680.75/11,625.84
  6. Step 6: Final answer
    x = 17,231.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.