Home / 18,300.39-27,452.20-5,152.87

Finding the Fourth Proportional to 18,300.39, 27,452.20 and 5,152.87

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Solution

The fourth proportional to 18,300.39, 27,452.20 and 5,152.87 is: 7,729.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.39 : 27,452.20 = 5,152.87 : x
  2. Step 2: Convert to fraction form
    18,300.39/27,452.20 = 5,152.87/x
  3. Step 3: Cross multiply
    18,300.39x = 27,452.20 × 5,152.87
  4. Step 4: Simplify right side
    18,300.39x = 141,457,617.81
  5. Step 5: Solve for x
    x = 141,457,617.81/18,300.39
  6. Step 6: Final answer
    x = 7,729.76

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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.