Home / 10,860.43-14,984.33-6,382.55

Finding the Fourth Proportional to 10,860.43, 14,984.33 and 6,382.55

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Solution

The fourth proportional to 10,860.43, 14,984.33 and 6,382.55 is: 8,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.43 : 14,984.33 = 6,382.55 : x
  2. Step 2: Convert to fraction form
    10,860.43/14,984.33 = 6,382.55/x
  3. Step 3: Cross multiply
    10,860.43x = 14,984.33 × 6,382.55
  4. Step 4: Simplify right side
    10,860.43x = 95,638,235.44
  5. Step 5: Solve for x
    x = 95,638,235.44/10,860.43
  6. Step 6: Final answer
    x = 8,806.12

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1.5x scale

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.