Home / 13,261.08-18,299.61-7,292.60

Finding the Fourth Proportional to 13,261.08, 18,299.61 and 7,292.60

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Solution

The fourth proportional to 13,261.08, 18,299.61 and 7,292.60 is: 10,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.08 : 18,299.61 = 7,292.60 : x
  2. Step 2: Convert to fraction form
    13,261.08/18,299.61 = 7,292.60/x
  3. Step 3: Cross multiply
    13,261.08x = 18,299.61 × 7,292.60
  4. Step 4: Simplify right side
    13,261.08x = 133,451,644.39
  5. Step 5: Solve for x
    x = 133,451,644.39/13,261.08
  6. Step 6: Final answer
    x = 10,063.41

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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.