Home / 13,667.71-20,494.47-6,265.79

Finding the Fourth Proportional to 13,667.71, 20,494.47 and 6,265.79

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Solution

The fourth proportional to 13,667.71, 20,494.47 and 6,265.79 is: 9,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667.71 : 20,494.47 = 6,265.79 : x
  2. Step 2: Convert to fraction form
    13,667.71/20,494.47 = 6,265.79/x
  3. Step 3: Cross multiply
    13,667.71x = 20,494.47 × 6,265.79
  4. Step 4: Simplify right side
    13,667.71x = 128,414,158.34
  5. Step 5: Solve for x
    x = 128,414,158.34/13,667.71
  6. Step 6: Final answer
    x = 9,395.44

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1.5x scale

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.