Home / 9,517.61-13,134.11-5,268.67

Finding the Fourth Proportional to 9,517.61, 13,134.11 and 5,268.67

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Solution

The fourth proportional to 9,517.61, 13,134.11 and 5,268.67 is: 7,270.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.61 : 13,134.11 = 5,268.67 : x
  2. Step 2: Convert to fraction form
    9,517.61/13,134.11 = 5,268.67/x
  3. Step 3: Cross multiply
    9,517.61x = 13,134.11 × 5,268.67
  4. Step 4: Simplify right side
    9,517.61x = 69,199,264.99
  5. Step 5: Solve for x
    x = 69,199,264.99/9,517.61
  6. Step 6: Final answer
    x = 7,270.66

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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.