Home / 12,256.02-18,385.75-4,861.22

Finding the Fourth Proportional to 12,256.02, 18,385.75 and 4,861.22

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Solution

The fourth proportional to 12,256.02, 18,385.75 and 4,861.22 is: 7,292.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.02 : 18,385.75 = 4,861.22 : x
  2. Step 2: Convert to fraction form
    12,256.02/18,385.75 = 4,861.22/x
  3. Step 3: Cross multiply
    12,256.02x = 18,385.75 × 4,861.22
  4. Step 4: Simplify right side
    12,256.02x = 89,377,175.62
  5. Step 5: Solve for x
    x = 89,377,175.62/12,256.02
  6. Step 6: Final answer
    x = 7,292.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.