Home / 22,558.87-31,120.91-14,603.66

Finding the Fourth Proportional to 22,558.87, 31,120.91 and 14,603.66

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Solution

The fourth proportional to 22,558.87, 31,120.91 and 14,603.66 is: 20,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,558.87 : 31,120.91 = 14,603.66 : x
  2. Step 2: Convert to fraction form
    22,558.87/31,120.91 = 14,603.66/x
  3. Step 3: Cross multiply
    22,558.87x = 31,120.91 × 14,603.66
  4. Step 4: Simplify right side
    22,558.87x = 454,479,131.37
  5. Step 5: Solve for x
    x = 454,479,131.37/22,558.87
  6. Step 6: Final answer
    x = 20,146.36

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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.