Home / 9,136.40-13,693.46-4,199.18

Finding the Fourth Proportional to 9,136.40, 13,693.46 and 4,199.18

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Solution

The fourth proportional to 9,136.40, 13,693.46 and 4,199.18 is: 6,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.40 : 13,693.46 = 4,199.18 : x
  2. Step 2: Convert to fraction form
    9,136.40/13,693.46 = 4,199.18/x
  3. Step 3: Cross multiply
    9,136.40x = 13,693.46 × 4,199.18
  4. Step 4: Simplify right side
    9,136.40x = 57,501,213.90
  5. Step 5: Solve for x
    x = 57,501,213.90/9,136.40
  6. Step 6: Final answer
    x = 6,293.64

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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.