Home / 18,317.36-27,457.52-7,219.73

Finding the Fourth Proportional to 18,317.36, 27,457.52 and 7,219.73

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Solution

The fourth proportional to 18,317.36, 27,457.52 and 7,219.73 is: 10,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.36 : 27,457.52 = 7,219.73 : x
  2. Step 2: Convert to fraction form
    18,317.36/27,457.52 = 7,219.73/x
  3. Step 3: Cross multiply
    18,317.36x = 27,457.52 × 7,219.73
  4. Step 4: Simplify right side
    18,317.36x = 198,235,707.48
  5. Step 5: Solve for x
    x = 198,235,707.48/18,317.36
  6. Step 6: Final answer
    x = 10,822.29

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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.