Home / 18,613.02-27,943.22-12,066.60

Finding the Fourth Proportional to 18,613.02, 27,943.22 and 12,066.60

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Solution

The fourth proportional to 18,613.02, 27,943.22 and 12,066.60 is: 18,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.02 : 27,943.22 = 12,066.60 : x
  2. Step 2: Convert to fraction form
    18,613.02/27,943.22 = 12,066.60/x
  3. Step 3: Cross multiply
    18,613.02x = 27,943.22 × 12,066.60
  4. Step 4: Simplify right side
    18,613.02x = 337,179,688.62
  5. Step 5: Solve for x
    x = 337,179,688.62/18,613.02
  6. Step 6: Final answer
    x = 18,115.26

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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.