Home / 15,136.08-20,884.50-8,845.56

Finding the Fourth Proportional to 15,136.08, 20,884.50 and 8,845.56

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Solution

The fourth proportional to 15,136.08, 20,884.50 and 8,845.56 is: 12,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.08 : 20,884.50 = 8,845.56 : x
  2. Step 2: Convert to fraction form
    15,136.08/20,884.50 = 8,845.56/x
  3. Step 3: Cross multiply
    15,136.08x = 20,884.50 × 8,845.56
  4. Step 4: Simplify right side
    15,136.08x = 184,735,097.82
  5. Step 5: Solve for x
    x = 184,735,097.82/15,136.08
  6. Step 6: Final answer
    x = 12,204.95

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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.