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Finding the Fourth Proportional to 9,883.12, 14,823.58 and 2,487.58

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Solution

The fourth proportional to 9,883.12, 14,823.58 and 2,487.58 is: 3,731.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.12 : 14,823.58 = 2,487.58 : x
  2. Step 2: Convert to fraction form
    9,883.12/14,823.58 = 2,487.58/x
  3. Step 3: Cross multiply
    9,883.12x = 14,823.58 × 2,487.58
  4. Step 4: Simplify right side
    9,883.12x = 36,874,841.14
  5. Step 5: Solve for x
    x = 36,874,841.14/9,883.12
  6. Step 6: Final answer
    x = 3,731.09

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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.