Home / 9,188.99-13,766.09-5,429.53

Finding the Fourth Proportional to 9,188.99, 13,766.09 and 5,429.53

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Solution

The fourth proportional to 9,188.99, 13,766.09 and 5,429.53 is: 8,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.99 : 13,766.09 = 5,429.53 : x
  2. Step 2: Convert to fraction form
    9,188.99/13,766.09 = 5,429.53/x
  3. Step 3: Cross multiply
    9,188.99x = 13,766.09 × 5,429.53
  4. Step 4: Simplify right side
    9,188.99x = 74,743,377.80
  5. Step 5: Solve for x
    x = 74,743,377.80/9,188.99
  6. Step 6: Final answer
    x = 8,134.01

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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.