Home / 11,136.48-15,373.44-9,618

Finding the Fourth Proportional to 11,136.48, 15,373.44 and 9,618

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Solution

The fourth proportional to 11,136.48, 15,373.44 and 9,618 is: 13,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.48 : 15,373.44 = 9,618 : x
  2. Step 2: Convert to fraction form
    11,136.48/15,373.44 = 9,618/x
  3. Step 3: Cross multiply
    11,136.48x = 15,373.44 × 9,618
  4. Step 4: Simplify right side
    11,136.48x = 147,861,745.92
  5. Step 5: Solve for x
    x = 147,861,745.92/11,136.48
  6. Step 6: Final answer
    x = 13,277.24

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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.