Home / 22,730.77-31,367.75-12,658.99

Finding the Fourth Proportional to 22,730.77, 31,367.75 and 12,658.99

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Solution

The fourth proportional to 22,730.77, 31,367.75 and 12,658.99 is: 17,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,730.77 : 31,367.75 = 12,658.99 : x
  2. Step 2: Convert to fraction form
    22,730.77/31,367.75 = 12,658.99/x
  3. Step 3: Cross multiply
    22,730.77x = 31,367.75 × 12,658.99
  4. Step 4: Simplify right side
    22,730.77x = 397,084,033.57
  5. Step 5: Solve for x
    x = 397,084,033.57/22,730.77
  6. Step 6: Final answer
    x = 17,469.01

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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.