Home / 11,136.12-15,362.90-6,657.62

Finding the Fourth Proportional to 11,136.12, 15,362.90 and 6,657.62

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Solution

The fourth proportional to 11,136.12, 15,362.90 and 6,657.62 is: 9,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.12 : 15,362.90 = 6,657.62 : x
  2. Step 2: Convert to fraction form
    11,136.12/15,362.90 = 6,657.62/x
  3. Step 3: Cross multiply
    11,136.12x = 15,362.90 × 6,657.62
  4. Step 4: Simplify right side
    11,136.12x = 102,280,350.30
  5. Step 5: Solve for x
    x = 102,280,350.30/11,136.12
  6. Step 6: Final answer
    x = 9,184.56

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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.