Home / 11,445.90-17,151.84-6,766.95

Finding the Fourth Proportional to 11,445.90, 17,151.84 and 6,766.95

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Solution

The fourth proportional to 11,445.90, 17,151.84 and 6,766.95 is: 10,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.90 : 17,151.84 = 6,766.95 : x
  2. Step 2: Convert to fraction form
    11,445.90/17,151.84 = 6,766.95/x
  3. Step 3: Cross multiply
    11,445.90x = 17,151.84 × 6,766.95
  4. Step 4: Simplify right side
    11,445.90x = 116,065,643.69
  5. Step 5: Solve for x
    x = 116,065,643.69/11,445.90
  6. Step 6: Final answer
    x = 10,140.37

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1.5x scale

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.