Home / 22,840.46-31,518.44-13,279.64

Finding the Fourth Proportional to 22,840.46, 31,518.44 and 13,279.64

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Solution

The fourth proportional to 22,840.46, 31,518.44 and 13,279.64 is: 18,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,840.46 : 31,518.44 = 13,279.64 : x
  2. Step 2: Convert to fraction form
    22,840.46/31,518.44 = 13,279.64/x
  3. Step 3: Cross multiply
    22,840.46x = 31,518.44 × 13,279.64
  4. Step 4: Simplify right side
    22,840.46x = 418,553,536.56
  5. Step 5: Solve for x
    x = 418,553,536.56/22,840.46
  6. Step 6: Final answer
    x = 18,325.09

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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.