Home / 23,141.35-31,935.09-12,530.98

Finding the Fourth Proportional to 23,141.35, 31,935.09 and 12,530.98

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Solution

The fourth proportional to 23,141.35, 31,935.09 and 12,530.98 is: 17,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,141.35 : 31,935.09 = 12,530.98 : x
  2. Step 2: Convert to fraction form
    23,141.35/31,935.09 = 12,530.98/x
  3. Step 3: Cross multiply
    23,141.35x = 31,935.09 × 12,530.98
  4. Step 4: Simplify right side
    23,141.35x = 400,177,974.09
  5. Step 5: Solve for x
    x = 400,177,974.09/23,141.35
  6. Step 6: Final answer
    x = 17,292.77

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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.