Home / 22,610-31,202.18-12,538.87

Finding the Fourth Proportional to 22,610, 31,202.18 and 12,538.87

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Solution

The fourth proportional to 22,610, 31,202.18 and 12,538.87 is: 17,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610 : 31,202.18 = 12,538.87 : x
  2. Step 2: Convert to fraction form
    22,610/31,202.18 = 12,538.87/x
  3. Step 3: Cross multiply
    22,610x = 31,202.18 × 12,538.87
  4. Step 4: Simplify right side
    22,610x = 391,240,078.74
  5. Step 5: Solve for x
    x = 391,240,078.74/22,610
  6. Step 6: Final answer
    x = 17,303.85

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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.