Home / 18,051.15-27,045.52-12,777.22

Finding the Fourth Proportional to 18,051.15, 27,045.52 and 12,777.22

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Solution

The fourth proportional to 18,051.15, 27,045.52 and 12,777.22 is: 19,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.15 : 27,045.52 = 12,777.22 : x
  2. Step 2: Convert to fraction form
    18,051.15/27,045.52 = 12,777.22/x
  3. Step 3: Cross multiply
    18,051.15x = 27,045.52 × 12,777.22
  4. Step 4: Simplify right side
    18,051.15x = 345,566,559.05
  5. Step 5: Solve for x
    x = 345,566,559.05/18,051.15
  6. Step 6: Final answer
    x = 19,143.74

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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.