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Finding the Fourth Proportional to 9,303.82, 13,955.71 and 8,836.65

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Solution

The fourth proportional to 9,303.82, 13,955.71 and 8,836.65 is: 13,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.82 : 13,955.71 = 8,836.65 : x
  2. Step 2: Convert to fraction form
    9,303.82/13,955.71 = 8,836.65/x
  3. Step 3: Cross multiply
    9,303.82x = 13,955.71 × 8,836.65
  4. Step 4: Simplify right side
    9,303.82x = 123,321,724.77
  5. Step 5: Solve for x
    x = 123,321,724.77/9,303.82
  6. Step 6: Final answer
    x = 13,254.96

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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.