Home / 11,136.42-15,368.21-6,100.63

Finding the Fourth Proportional to 11,136.42, 15,368.21 and 6,100.63

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Solution

The fourth proportional to 11,136.42, 15,368.21 and 6,100.63 is: 8,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.42 : 15,368.21 = 6,100.63 : x
  2. Step 2: Convert to fraction form
    11,136.42/15,368.21 = 6,100.63/x
  3. Step 3: Cross multiply
    11,136.42x = 15,368.21 × 6,100.63
  4. Step 4: Simplify right side
    11,136.42x = 93,755,837.69
  5. Step 5: Solve for x
    x = 93,755,837.69/11,136.42
  6. Step 6: Final answer
    x = 8,418.85

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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.