Home / 9,908-14,858.56-2,886.12

Finding the Fourth Proportional to 9,908, 14,858.56 and 2,886.12

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Solution

The fourth proportional to 9,908, 14,858.56 and 2,886.12 is: 4,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908 : 14,858.56 = 2,886.12 : x
  2. Step 2: Convert to fraction form
    9,908/14,858.56 = 2,886.12/x
  3. Step 3: Cross multiply
    9,908x = 14,858.56 × 2,886.12
  4. Step 4: Simplify right side
    9,908x = 42,883,587.19
  5. Step 5: Solve for x
    x = 42,883,587.19/9,908
  6. Step 6: Final answer
    x = 4,328.18

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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.