Home / 11,136.56-15,369.33-6,355.40

Finding the Fourth Proportional to 11,136.56, 15,369.33 and 6,355.40

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Solution

The fourth proportional to 11,136.56, 15,369.33 and 6,355.40 is: 8,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.56 : 15,369.33 = 6,355.40 : x
  2. Step 2: Convert to fraction form
    11,136.56/15,369.33 = 6,355.40/x
  3. Step 3: Cross multiply
    11,136.56x = 15,369.33 × 6,355.40
  4. Step 4: Simplify right side
    11,136.56x = 97,678,163.04
  5. Step 5: Solve for x
    x = 97,678,163.04/11,136.56
  6. Step 6: Final answer
    x = 8,770.95

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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.