Home / 10,986.31-16,476.88-4,322.57

Finding the Fourth Proportional to 10,986.31, 16,476.88 and 4,322.57

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Solution

The fourth proportional to 10,986.31, 16,476.88 and 4,322.57 is: 6,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.31 : 16,476.88 = 4,322.57 : x
  2. Step 2: Convert to fraction form
    10,986.31/16,476.88 = 4,322.57/x
  3. Step 3: Cross multiply
    10,986.31x = 16,476.88 × 4,322.57
  4. Step 4: Simplify right side
    10,986.31x = 71,222,492.44
  5. Step 5: Solve for x
    x = 71,222,492.44/10,986.31
  6. Step 6: Final answer
    x = 6,482.84

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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.