Home / 10,935.75-16,406.57-4,366.55

Finding the Fourth Proportional to 10,935.75, 16,406.57 and 4,366.55

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Solution

The fourth proportional to 10,935.75, 16,406.57 and 4,366.55 is: 6,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.75 : 16,406.57 = 4,366.55 : x
  2. Step 2: Convert to fraction form
    10,935.75/16,406.57 = 4,366.55/x
  3. Step 3: Cross multiply
    10,935.75x = 16,406.57 × 4,366.55
  4. Step 4: Simplify right side
    10,935.75x = 71,640,127.42
  5. Step 5: Solve for x
    x = 71,640,127.42/10,935.75
  6. Step 6: Final answer
    x = 6,551.00

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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.