Home / 9,515.11-14,276.76-5,131.55

Finding the Fourth Proportional to 9,515.11, 14,276.76 and 5,131.55

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Solution

The fourth proportional to 9,515.11, 14,276.76 and 5,131.55 is: 7,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.11 : 14,276.76 = 5,131.55 : x
  2. Step 2: Convert to fraction form
    9,515.11/14,276.76 = 5,131.55/x
  3. Step 3: Cross multiply
    9,515.11x = 14,276.76 × 5,131.55
  4. Step 4: Simplify right side
    9,515.11x = 73,261,907.78
  5. Step 5: Solve for x
    x = 73,261,907.78/9,515.11
  6. Step 6: Final answer
    x = 7,699.53

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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.