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Finding the Fourth Proportional to 10,836, 14,952.48 and 6,119.28

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Solution

The fourth proportional to 10,836, 14,952.48 and 6,119.28 is: 8,443.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836 : 14,952.48 = 6,119.28 : x
  2. Step 2: Convert to fraction form
    10,836/14,952.48 = 6,119.28/x
  3. Step 3: Cross multiply
    10,836x = 14,952.48 × 6,119.28
  4. Step 4: Simplify right side
    10,836x = 91,498,411.81
  5. Step 5: Solve for x
    x = 91,498,411.81/10,836
  6. Step 6: Final answer
    x = 8,443.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.