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Finding the Fourth Proportional to 9,901.84, 14,851.38 and 2,505.84

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Solution

The fourth proportional to 9,901.84, 14,851.38 and 2,505.84 is: 3,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.84 : 14,851.38 = 2,505.84 : x
  2. Step 2: Convert to fraction form
    9,901.84/14,851.38 = 2,505.84/x
  3. Step 3: Cross multiply
    9,901.84x = 14,851.38 × 2,505.84
  4. Step 4: Simplify right side
    9,901.84x = 37,215,182.06
  5. Step 5: Solve for x
    x = 37,215,182.06/9,901.84
  6. Step 6: Final answer
    x = 3,758.41

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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.