Home / 13,864.15-19,131.96-7,576.39

Finding the Fourth Proportional to 13,864.15, 19,131.96 and 7,576.39

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Solution

The fourth proportional to 13,864.15, 19,131.96 and 7,576.39 is: 10,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.15 : 19,131.96 = 7,576.39 : x
  2. Step 2: Convert to fraction form
    13,864.15/19,131.96 = 7,576.39/x
  3. Step 3: Cross multiply
    13,864.15x = 19,131.96 × 7,576.39
  4. Step 4: Simplify right side
    13,864.15x = 144,951,190.42
  5. Step 5: Solve for x
    x = 144,951,190.42/13,864.15
  6. Step 6: Final answer
    x = 10,455.11

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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.