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Finding the Fourth Proportional to 9,864, 14,800.59 and 4,316.61

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Solution

The fourth proportional to 9,864, 14,800.59 and 4,316.61 is: 6,476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864 : 14,800.59 = 4,316.61 : x
  2. Step 2: Convert to fraction form
    9,864/14,800.59 = 4,316.61/x
  3. Step 3: Cross multiply
    9,864x = 14,800.59 × 4,316.61
  4. Step 4: Simplify right side
    9,864x = 63,888,374.80
  5. Step 5: Solve for x
    x = 63,888,374.80/9,864
  6. Step 6: Final answer
    x = 6,476.92

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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.