Home / 18,168.08-27,266.60-12,365.20

Finding the Fourth Proportional to 18,168.08, 27,266.60 and 12,365.20

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Solution

The fourth proportional to 18,168.08, 27,266.60 and 12,365.20 is: 18,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.08 : 27,266.60 = 12,365.20 : x
  2. Step 2: Convert to fraction form
    18,168.08/27,266.60 = 12,365.20/x
  3. Step 3: Cross multiply
    18,168.08x = 27,266.60 × 12,365.20
  4. Step 4: Simplify right side
    18,168.08x = 337,156,962.32
  5. Step 5: Solve for x
    x = 337,156,962.32/18,168.08
  6. Step 6: Final answer
    x = 18,557.66

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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.