Home / 10,040.87-13,856.24-5,564.61

Finding the Fourth Proportional to 10,040.87, 13,856.24 and 5,564.61

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Solution

The fourth proportional to 10,040.87, 13,856.24 and 5,564.61 is: 7,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.87 : 13,856.24 = 5,564.61 : x
  2. Step 2: Convert to fraction form
    10,040.87/13,856.24 = 5,564.61/x
  3. Step 3: Cross multiply
    10,040.87x = 13,856.24 × 5,564.61
  4. Step 4: Simplify right side
    10,040.87x = 77,104,543.84
  5. Step 5: Solve for x
    x = 77,104,543.84/10,040.87
  6. Step 6: Final answer
    x = 7,679.07

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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.