Home / 18,378.09-27,568.96-5,232.40

Finding the Fourth Proportional to 18,378.09, 27,568.96 and 5,232.40

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Solution

The fourth proportional to 18,378.09, 27,568.96 and 5,232.40 is: 7,849.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378.09 : 27,568.96 = 5,232.40 : x
  2. Step 2: Convert to fraction form
    18,378.09/27,568.96 = 5,232.40/x
  3. Step 3: Cross multiply
    18,378.09x = 27,568.96 × 5,232.40
  4. Step 4: Simplify right side
    18,378.09x = 144,251,744.30
  5. Step 5: Solve for x
    x = 144,251,744.30/18,378.09
  6. Step 6: Final answer
    x = 7,849.12

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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.