Home / 18,235.49-27,353.84-5,086.76

Finding the Fourth Proportional to 18,235.49, 27,353.84 and 5,086.76

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Solution

The fourth proportional to 18,235.49, 27,353.84 and 5,086.76 is: 7,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.49 : 27,353.84 = 5,086.76 : x
  2. Step 2: Convert to fraction form
    18,235.49/27,353.84 = 5,086.76/x
  3. Step 3: Cross multiply
    18,235.49x = 27,353.84 × 5,086.76
  4. Step 4: Simplify right side
    18,235.49x = 139,142,419.16
  5. Step 5: Solve for x
    x = 139,142,419.16/18,235.49
  6. Step 6: Final answer
    x = 7,630.31

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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.