Home / 18,244.44-27,370.91-7,715.45

Finding the Fourth Proportional to 18,244.44, 27,370.91 and 7,715.45

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Solution

The fourth proportional to 18,244.44, 27,370.91 and 7,715.45 is: 11,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.44 : 27,370.91 = 7,715.45 : x
  2. Step 2: Convert to fraction form
    18,244.44/27,370.91 = 7,715.45/x
  3. Step 3: Cross multiply
    18,244.44x = 27,370.91 × 7,715.45
  4. Step 4: Simplify right side
    18,244.44x = 211,178,975.28
  5. Step 5: Solve for x
    x = 211,178,975.28/18,244.44
  6. Step 6: Final answer
    x = 11,574.98

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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.