Home / 22,794.08-31,457.42-12,724.49

Finding the Fourth Proportional to 22,794.08, 31,457.42 and 12,724.49

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Solution

The fourth proportional to 22,794.08, 31,457.42 and 12,724.49 is: 17,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,794.08 : 31,457.42 = 12,724.49 : x
  2. Step 2: Convert to fraction form
    22,794.08/31,457.42 = 12,724.49/x
  3. Step 3: Cross multiply
    22,794.08x = 31,457.42 × 12,724.49
  4. Step 4: Simplify right side
    22,794.08x = 400,279,570.99
  5. Step 5: Solve for x
    x = 400,279,570.99/22,794.08
  6. Step 6: Final answer
    x = 17,560.68

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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.