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Finding the Fourth Proportional to 9,850.50, 14,781.15 and 9,777.06

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Solution

The fourth proportional to 9,850.50, 14,781.15 and 9,777.06 is: 14,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,850.50 : 14,781.15 = 9,777.06 : x
  2. Step 2: Convert to fraction form
    9,850.50/14,781.15 = 9,777.06/x
  3. Step 3: Cross multiply
    9,850.50x = 14,781.15 × 9,777.06
  4. Step 4: Simplify right side
    9,850.50x = 144,516,190.42
  5. Step 5: Solve for x
    x = 144,516,190.42/9,850.50
  6. Step 6: Final answer
    x = 14,670.95

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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.