Home / 11,136.30-15,368.12-6,100.71

Finding the Fourth Proportional to 11,136.30, 15,368.12 and 6,100.71

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Solution

The fourth proportional to 11,136.30, 15,368.12 and 6,100.71 is: 8,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.30 : 15,368.12 = 6,100.71 : x
  2. Step 2: Convert to fraction form
    11,136.30/15,368.12 = 6,100.71/x
  3. Step 3: Cross multiply
    11,136.30x = 15,368.12 × 6,100.71
  4. Step 4: Simplify right side
    11,136.30x = 93,756,412.86
  5. Step 5: Solve for x
    x = 93,756,412.86/11,136.30
  6. Step 6: Final answer
    x = 8,418.99

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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.