Home / 10,860.27-14,986.78-6,144.45

Finding the Fourth Proportional to 10,860.27, 14,986.78 and 6,144.45

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Solution

The fourth proportional to 10,860.27, 14,986.78 and 6,144.45 is: 8,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.27 : 14,986.78 = 6,144.45 : x
  2. Step 2: Convert to fraction form
    10,860.27/14,986.78 = 6,144.45/x
  3. Step 3: Cross multiply
    10,860.27x = 14,986.78 × 6,144.45
  4. Step 4: Simplify right side
    10,860.27x = 92,085,520.37
  5. Step 5: Solve for x
    x = 92,085,520.37/10,860.27
  6. Step 6: Final answer
    x = 8,479.12

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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.