Home / 18,510.19-27,765.28-5,362.56

Finding the Fourth Proportional to 18,510.19, 27,765.28 and 5,362.56

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Solution

The fourth proportional to 18,510.19, 27,765.28 and 5,362.56 is: 8,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.19 : 27,765.28 = 5,362.56 : x
  2. Step 2: Convert to fraction form
    18,510.19/27,765.28 = 5,362.56/x
  3. Step 3: Cross multiply
    18,510.19x = 27,765.28 × 5,362.56
  4. Step 4: Simplify right side
    18,510.19x = 148,892,979.92
  5. Step 5: Solve for x
    x = 148,892,979.92/18,510.19
  6. Step 6: Final answer
    x = 8,043.84

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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.