Home / 13,438.75-18,564.44-10,767.71

Finding the Fourth Proportional to 13,438.75, 18,564.44 and 10,767.71

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Solution

The fourth proportional to 13,438.75, 18,564.44 and 10,767.71 is: 14,874.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438.75 : 18,564.44 = 10,767.71 : x
  2. Step 2: Convert to fraction form
    13,438.75/18,564.44 = 10,767.71/x
  3. Step 3: Cross multiply
    13,438.75x = 18,564.44 × 10,767.71
  4. Step 4: Simplify right side
    13,438.75x = 199,896,359.57
  5. Step 5: Solve for x
    x = 199,896,359.57/13,438.75
  6. Step 6: Final answer
    x = 14,874.63

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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.