Home / 18,427.40-27,621.37-9,533.76

Finding the Fourth Proportional to 18,427.40, 27,621.37 and 9,533.76

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Solution

The fourth proportional to 18,427.40, 27,621.37 and 9,533.76 is: 14,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.40 : 27,621.37 = 9,533.76 : x
  2. Step 2: Convert to fraction form
    18,427.40/27,621.37 = 9,533.76/x
  3. Step 3: Cross multiply
    18,427.40x = 27,621.37 × 9,533.76
  4. Step 4: Simplify right side
    18,427.40x = 263,335,512.45
  5. Step 5: Solve for x
    x = 263,335,512.45/18,427.40
  6. Step 6: Final answer
    x = 14,290.43

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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.