Home / 18,371.04-27,555.66-5,720.76

Finding the Fourth Proportional to 18,371.04, 27,555.66 and 5,720.76

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Solution

The fourth proportional to 18,371.04, 27,555.66 and 5,720.76 is: 8,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.04 : 27,555.66 = 5,720.76 : x
  2. Step 2: Convert to fraction form
    18,371.04/27,555.66 = 5,720.76/x
  3. Step 3: Cross multiply
    18,371.04x = 27,555.66 × 5,720.76
  4. Step 4: Simplify right side
    18,371.04x = 157,639,317.50
  5. Step 5: Solve for x
    x = 157,639,317.50/18,371.04
  6. Step 6: Final answer
    x = 8,580.86

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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.