Home / 13,117.61-19,682.24-6,876.14

Finding the Fourth Proportional to 13,117.61, 19,682.24 and 6,876.14

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Solution

The fourth proportional to 13,117.61, 19,682.24 and 6,876.14 is: 10,317.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.61 : 19,682.24 = 6,876.14 : x
  2. Step 2: Convert to fraction form
    13,117.61/19,682.24 = 6,876.14/x
  3. Step 3: Cross multiply
    13,117.61x = 19,682.24 × 6,876.14
  4. Step 4: Simplify right side
    13,117.61x = 135,337,704.96
  5. Step 5: Solve for x
    x = 135,337,704.96/13,117.61
  6. Step 6: Final answer
    x = 10,317.25

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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.