Home / 10,818.12-14,928.42-6,102.09

Finding the Fourth Proportional to 10,818.12, 14,928.42 and 6,102.09

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Solution

The fourth proportional to 10,818.12, 14,928.42 and 6,102.09 is: 8,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.12 : 14,928.42 = 6,102.09 : x
  2. Step 2: Convert to fraction form
    10,818.12/14,928.42 = 6,102.09/x
  3. Step 3: Cross multiply
    10,818.12x = 14,928.42 × 6,102.09
  4. Step 4: Simplify right side
    10,818.12x = 91,094,562.40
  5. Step 5: Solve for x
    x = 91,094,562.40/10,818.12
  6. Step 6: Final answer
    x = 8,420.55

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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.