Home / 18,420.24-27,626.20-5,269.84

Finding the Fourth Proportional to 18,420.24, 27,626.20 and 5,269.84

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Solution

The fourth proportional to 18,420.24, 27,626.20 and 5,269.84 is: 7,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420.24 : 27,626.20 = 5,269.84 : x
  2. Step 2: Convert to fraction form
    18,420.24/27,626.20 = 5,269.84/x
  3. Step 3: Cross multiply
    18,420.24x = 27,626.20 × 5,269.84
  4. Step 4: Simplify right side
    18,420.24x = 145,585,653.81
  5. Step 5: Solve for x
    x = 145,585,653.81/18,420.24
  6. Step 6: Final answer
    x = 7,903.57

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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.