Home / 13,889.72-19,167.67-7,516.17

Finding the Fourth Proportional to 13,889.72, 19,167.67 and 7,516.17

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Solution

The fourth proportional to 13,889.72, 19,167.67 and 7,516.17 is: 10,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.72 : 19,167.67 = 7,516.17 : x
  2. Step 2: Convert to fraction form
    13,889.72/19,167.67 = 7,516.17/x
  3. Step 3: Cross multiply
    13,889.72x = 19,167.67 × 7,516.17
  4. Step 4: Simplify right side
    13,889.72x = 144,067,475.62
  5. Step 5: Solve for x
    x = 144,067,475.62/13,889.72
  6. Step 6: Final answer
    x = 10,372.24

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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.