Home / 12,741.53-19,104.53-5,720.18

Finding the Fourth Proportional to 12,741.53, 19,104.53 and 5,720.18

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Solution

The fourth proportional to 12,741.53, 19,104.53 and 5,720.18 is: 8,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.53 : 19,104.53 = 5,720.18 : x
  2. Step 2: Convert to fraction form
    12,741.53/19,104.53 = 5,720.18/x
  3. Step 3: Cross multiply
    12,741.53x = 19,104.53 × 5,720.18
  4. Step 4: Simplify right side
    12,741.53x = 109,281,226.29
  5. Step 5: Solve for x
    x = 109,281,226.29/12,741.53
  6. Step 6: Final answer
    x = 8,576.78

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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.