Home / 22,716.99-31,348.35-12,646.26

Finding the Fourth Proportional to 22,716.99, 31,348.35 and 12,646.26

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Solution

The fourth proportional to 22,716.99, 31,348.35 and 12,646.26 is: 17,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,716.99 : 31,348.35 = 12,646.26 : x
  2. Step 2: Convert to fraction form
    22,716.99/31,348.35 = 12,646.26/x
  3. Step 3: Cross multiply
    22,716.99x = 31,348.35 × 12,646.26
  4. Step 4: Simplify right side
    22,716.99x = 396,439,384.67
  5. Step 5: Solve for x
    x = 396,439,384.67/22,716.99
  6. Step 6: Final answer
    x = 17,451.23

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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.