Home / 21,441.98-29,589.91-12,010.55

Finding the Fourth Proportional to 21,441.98, 29,589.91 and 12,010.55

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Solution

The fourth proportional to 21,441.98, 29,589.91 and 12,010.55 is: 16,574.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441.98 : 29,589.91 = 12,010.55 : x
  2. Step 2: Convert to fraction form
    21,441.98/29,589.91 = 12,010.55/x
  3. Step 3: Cross multiply
    21,441.98x = 29,589.91 × 12,010.55
  4. Step 4: Simplify right side
    21,441.98x = 355,390,915.57
  5. Step 5: Solve for x
    x = 355,390,915.57/21,441.98
  6. Step 6: Final answer
    x = 16,574.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.