Home / 22,736.77-31,376.70-12,665.12

Finding the Fourth Proportional to 22,736.77, 31,376.70 and 12,665.12

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Solution

The fourth proportional to 22,736.77, 31,376.70 and 12,665.12 is: 17,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,736.77 : 31,376.70 = 12,665.12 : x
  2. Step 2: Convert to fraction form
    22,736.77/31,376.70 = 12,665.12/x
  3. Step 3: Cross multiply
    22,736.77x = 31,376.70 × 12,665.12
  4. Step 4: Simplify right side
    22,736.77x = 397,389,747.80
  5. Step 5: Solve for x
    x = 397,389,747.80/22,736.77
  6. Step 6: Final answer
    x = 17,477.85

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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.