Home / 10,623.88-15,922.02-4,376.80

Finding the Fourth Proportional to 10,623.88, 15,922.02 and 4,376.80

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Solution

The fourth proportional to 10,623.88, 15,922.02 and 4,376.80 is: 6,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.88 : 15,922.02 = 4,376.80 : x
  2. Step 2: Convert to fraction form
    10,623.88/15,922.02 = 4,376.80/x
  3. Step 3: Cross multiply
    10,623.88x = 15,922.02 × 4,376.80
  4. Step 4: Simplify right side
    10,623.88x = 69,687,497.14
  5. Step 5: Solve for x
    x = 69,687,497.14/10,623.88
  6. Step 6: Final answer
    x = 6,559.51

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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.