Home / 18,349.28-27,505.26-7,240.70

Finding the Fourth Proportional to 18,349.28, 27,505.26 and 7,240.70

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Solution

The fourth proportional to 18,349.28, 27,505.26 and 7,240.70 is: 10,853.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.28 : 27,505.26 = 7,240.70 : x
  2. Step 2: Convert to fraction form
    18,349.28/27,505.26 = 7,240.70/x
  3. Step 3: Cross multiply
    18,349.28x = 27,505.26 × 7,240.70
  4. Step 4: Simplify right side
    18,349.28x = 199,157,336.08
  5. Step 5: Solve for x
    x = 199,157,336.08/18,349.28
  6. Step 6: Final answer
    x = 10,853.69

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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.