Home / 12,734.53-19,101.72-8,727.93

Finding the Fourth Proportional to 12,734.53, 19,101.72 and 8,727.93

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Solution

The fourth proportional to 12,734.53, 19,101.72 and 8,727.93 is: 13,091.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.53 : 19,101.72 = 8,727.93 : x
  2. Step 2: Convert to fraction form
    12,734.53/19,101.72 = 8,727.93/x
  3. Step 3: Cross multiply
    12,734.53x = 19,101.72 × 8,727.93
  4. Step 4: Simplify right side
    12,734.53x = 166,718,475.04
  5. Step 5: Solve for x
    x = 166,718,475.04/12,734.53
  6. Step 6: Final answer
    x = 13,091.84

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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.