Home / 11,741.22-16,218.43-8,751.87

Finding the Fourth Proportional to 11,741.22, 16,218.43 and 8,751.87

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Solution

The fourth proportional to 11,741.22, 16,218.43 and 8,751.87 is: 12,089.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.22 : 16,218.43 = 8,751.87 : x
  2. Step 2: Convert to fraction form
    11,741.22/16,218.43 = 8,751.87/x
  3. Step 3: Cross multiply
    11,741.22x = 16,218.43 × 8,751.87
  4. Step 4: Simplify right side
    11,741.22x = 141,941,569.08
  5. Step 5: Solve for x
    x = 141,941,569.08/11,741.22
  6. Step 6: Final answer
    x = 12,089.17

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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.