Home / 10,563.75-15,822.95-6,855.17

Finding the Fourth Proportional to 10,563.75, 15,822.95 and 6,855.17

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Solution

The fourth proportional to 10,563.75, 15,822.95 and 6,855.17 is: 10,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563.75 : 15,822.95 = 6,855.17 : x
  2. Step 2: Convert to fraction form
    10,563.75/15,822.95 = 6,855.17/x
  3. Step 3: Cross multiply
    10,563.75x = 15,822.95 × 6,855.17
  4. Step 4: Simplify right side
    10,563.75x = 108,468,898.76
  5. Step 5: Solve for x
    x = 108,468,898.76/10,563.75
  6. Step 6: Final answer
    x = 10,268.03

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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.