Home / 18,000.72-24,837.30-13,228.20

Finding the Fourth Proportional to 18,000.72, 24,837.30 and 13,228.20

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Solution

The fourth proportional to 18,000.72, 24,837.30 and 13,228.20 is: 18,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.72 : 24,837.30 = 13,228.20 : x
  2. Step 2: Convert to fraction form
    18,000.72/24,837.30 = 13,228.20/x
  3. Step 3: Cross multiply
    18,000.72x = 24,837.30 × 13,228.20
  4. Step 4: Simplify right side
    18,000.72x = 328,552,771.86
  5. Step 5: Solve for x
    x = 328,552,771.86/18,000.72
  6. Step 6: Final answer
    x = 18,252.20

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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.