Home / 18,181.02-25,104.87-11,477.82

Finding the Fourth Proportional to 18,181.02, 25,104.87 and 11,477.82

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Solution

The fourth proportional to 18,181.02, 25,104.87 and 11,477.82 is: 15,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.02 : 25,104.87 = 11,477.82 : x
  2. Step 2: Convert to fraction form
    18,181.02/25,104.87 = 11,477.82/x
  3. Step 3: Cross multiply
    18,181.02x = 25,104.87 × 11,477.82
  4. Step 4: Simplify right side
    18,181.02x = 288,149,178.98
  5. Step 5: Solve for x
    x = 288,149,178.98/18,181.02
  6. Step 6: Final answer
    x = 15,848.90

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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.