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Finding the Fourth Proportional to 10,850.88, 14,948.64 and 8,950.08

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Solution

The fourth proportional to 10,850.88, 14,948.64 and 8,950.08 is: 12,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.88 : 14,948.64 = 8,950.08 : x
  2. Step 2: Convert to fraction form
    10,850.88/14,948.64 = 8,950.08/x
  3. Step 3: Cross multiply
    10,850.88x = 14,948.64 × 8,950.08
  4. Step 4: Simplify right side
    10,850.88x = 133,791,523.89
  5. Step 5: Solve for x
    x = 133,791,523.89/10,850.88
  6. Step 6: Final answer
    x = 12,330.02

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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.