Home / 13,533.54-20,306.37-8,601.90

Finding the Fourth Proportional to 13,533.54, 20,306.37 and 8,601.90

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Solution

The fourth proportional to 13,533.54, 20,306.37 and 8,601.90 is: 12,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.54 : 20,306.37 = 8,601.90 : x
  2. Step 2: Convert to fraction form
    13,533.54/20,306.37 = 8,601.90/x
  3. Step 3: Cross multiply
    13,533.54x = 20,306.37 × 8,601.90
  4. Step 4: Simplify right side
    13,533.54x = 174,673,364.10
  5. Step 5: Solve for x
    x = 174,673,364.10/13,533.54
  6. Step 6: Final answer
    x = 12,906.70

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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.