Home / 18,240.72-27,311.73-9,457.17

Finding the Fourth Proportional to 18,240.72, 27,311.73 and 9,457.17

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Solution

The fourth proportional to 18,240.72, 27,311.73 and 9,457.17 is: 14,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.72 : 27,311.73 = 9,457.17 : x
  2. Step 2: Convert to fraction form
    18,240.72/27,311.73 = 9,457.17/x
  3. Step 3: Cross multiply
    18,240.72x = 27,311.73 × 9,457.17
  4. Step 4: Simplify right side
    18,240.72x = 258,291,673.60
  5. Step 5: Solve for x
    x = 258,291,673.60/18,240.72
  6. Step 6: Final answer
    x = 14,160.17

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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.