Home / 18,341.30-27,508.89-5,190.41

Finding the Fourth Proportional to 18,341.30, 27,508.89 and 5,190.41

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Solution

The fourth proportional to 18,341.30, 27,508.89 and 5,190.41 is: 7,784.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.30 : 27,508.89 = 5,190.41 : x
  2. Step 2: Convert to fraction form
    18,341.30/27,508.89 = 5,190.41/x
  3. Step 3: Cross multiply
    18,341.30x = 27,508.89 × 5,190.41
  4. Step 4: Simplify right side
    18,341.30x = 142,782,417.74
  5. Step 5: Solve for x
    x = 142,782,417.74/18,341.30
  6. Step 6: Final answer
    x = 7,784.75

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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.