Home / 13,741.86-18,956.79-8,697.58

Finding the Fourth Proportional to 13,741.86, 18,956.79 and 8,697.58

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Solution

The fourth proportional to 13,741.86, 18,956.79 and 8,697.58 is: 11,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.86 : 18,956.79 = 8,697.58 : x
  2. Step 2: Convert to fraction form
    13,741.86/18,956.79 = 8,697.58/x
  3. Step 3: Cross multiply
    13,741.86x = 18,956.79 × 8,697.58
  4. Step 4: Simplify right side
    13,741.86x = 164,878,197.57
  5. Step 5: Solve for x
    x = 164,878,197.57/13,741.86
  6. Step 6: Final answer
    x = 11,998.24

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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.