Home / 10,458.92-15,688.80-2,667.80

Finding the Fourth Proportional to 10,458.92, 15,688.80 and 2,667.80

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Solution

The fourth proportional to 10,458.92, 15,688.80 and 2,667.80 is: 4,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.92 : 15,688.80 = 2,667.80 : x
  2. Step 2: Convert to fraction form
    10,458.92/15,688.80 = 2,667.80/x
  3. Step 3: Cross multiply
    10,458.92x = 15,688.80 × 2,667.80
  4. Step 4: Simplify right side
    10,458.92x = 41,854,580.64
  5. Step 5: Solve for x
    x = 41,854,580.64/10,458.92
  6. Step 6: Final answer
    x = 4,001.81

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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.