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Finding the Fourth Proportional to 9,851.11, 14,783.55 and 8,909.98

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Solution

The fourth proportional to 9,851.11, 14,783.55 and 8,909.98 is: 13,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,851.11 : 14,783.55 = 8,909.98 : x
  2. Step 2: Convert to fraction form
    9,851.11/14,783.55 = 8,909.98/x
  3. Step 3: Cross multiply
    9,851.11x = 14,783.55 × 8,909.98
  4. Step 4: Simplify right side
    9,851.11x = 131,721,134.83
  5. Step 5: Solve for x
    x = 131,721,134.83/9,851.11
  6. Step 6: Final answer
    x = 13,371.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.