Home / 13,533.91-20,251.65-11,171.95

Finding the Fourth Proportional to 13,533.91, 20,251.65 and 11,171.95

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Solution

The fourth proportional to 13,533.91, 20,251.65 and 11,171.95 is: 16,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.91 : 20,251.65 = 11,171.95 : x
  2. Step 2: Convert to fraction form
    13,533.91/20,251.65 = 11,171.95/x
  3. Step 3: Cross multiply
    13,533.91x = 20,251.65 × 11,171.95
  4. Step 4: Simplify right side
    13,533.91x = 226,250,412.48
  5. Step 5: Solve for x
    x = 226,250,412.48/13,533.91
  6. Step 6: Final answer
    x = 16,717.30

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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.