Home / 22,950.17-31,679.21-13,518.13

Finding the Fourth Proportional to 22,950.17, 31,679.21 and 13,518.13

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Solution

The fourth proportional to 22,950.17, 31,679.21 and 13,518.13 is: 18,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,950.17 : 31,679.21 = 13,518.13 : x
  2. Step 2: Convert to fraction form
    22,950.17/31,679.21 = 13,518.13/x
  3. Step 3: Cross multiply
    22,950.17x = 31,679.21 × 13,518.13
  4. Step 4: Simplify right side
    22,950.17x = 428,243,453.09
  5. Step 5: Solve for x
    x = 428,243,453.09/22,950.17
  6. Step 6: Final answer
    x = 18,659.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.