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Finding the Fourth Proportional to 10,425.03, 15,623.99 and 7,950.75

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Solution

The fourth proportional to 10,425.03, 15,623.99 and 7,950.75 is: 11,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.03 : 15,623.99 = 7,950.75 : x
  2. Step 2: Convert to fraction form
    10,425.03/15,623.99 = 7,950.75/x
  3. Step 3: Cross multiply
    10,425.03x = 15,623.99 × 7,950.75
  4. Step 4: Simplify right side
    10,425.03x = 124,222,398.74
  5. Step 5: Solve for x
    x = 124,222,398.74/10,425.03
  6. Step 6: Final answer
    x = 11,915.78

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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.