Home / 10,643.94-15,967.84-4,400.56

Finding the Fourth Proportional to 10,643.94, 15,967.84 and 4,400.56

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Solution

The fourth proportional to 10,643.94, 15,967.84 and 4,400.56 is: 6,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.94 : 15,967.84 = 4,400.56 : x
  2. Step 2: Convert to fraction form
    10,643.94/15,967.84 = 4,400.56/x
  3. Step 3: Cross multiply
    10,643.94x = 15,967.84 × 4,400.56
  4. Step 4: Simplify right side
    10,643.94x = 70,267,437.99
  5. Step 5: Solve for x
    x = 70,267,437.99/10,643.94
  6. Step 6: Final answer
    x = 6,601.64

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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.