Home / 10,766.06-14,860.44-6,290.78

Finding the Fourth Proportional to 10,766.06, 14,860.44 and 6,290.78

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Solution

The fourth proportional to 10,766.06, 14,860.44 and 6,290.78 is: 8,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.06 : 14,860.44 = 6,290.78 : x
  2. Step 2: Convert to fraction form
    10,766.06/14,860.44 = 6,290.78/x
  3. Step 3: Cross multiply
    10,766.06x = 14,860.44 × 6,290.78
  4. Step 4: Simplify right side
    10,766.06x = 93,483,758.74
  5. Step 5: Solve for x
    x = 93,483,758.74/10,766.06
  6. Step 6: Final answer
    x = 8,683.19

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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.