Home / 10,935.60-15,091.24-6,219.88

Finding the Fourth Proportional to 10,935.60, 15,091.24 and 6,219.88

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Solution

The fourth proportional to 10,935.60, 15,091.24 and 6,219.88 is: 8,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.60 : 15,091.24 = 6,219.88 : x
  2. Step 2: Convert to fraction form
    10,935.60/15,091.24 = 6,219.88/x
  3. Step 3: Cross multiply
    10,935.60x = 15,091.24 × 6,219.88
  4. Step 4: Simplify right side
    10,935.60x = 93,865,701.85
  5. Step 5: Solve for x
    x = 93,865,701.85/10,935.60
  6. Step 6: Final answer
    x = 8,583.50

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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.