Home / 23,137.70-31,930.10-12,527.31

Finding the Fourth Proportional to 23,137.70, 31,930.10 and 12,527.31

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Solution

The fourth proportional to 23,137.70, 31,930.10 and 12,527.31 is: 17,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.70 : 31,930.10 = 12,527.31 : x
  2. Step 2: Convert to fraction form
    23,137.70/31,930.10 = 12,527.31/x
  3. Step 3: Cross multiply
    23,137.70x = 31,930.10 × 12,527.31
  4. Step 4: Simplify right side
    23,137.70x = 399,998,185.50
  5. Step 5: Solve for x
    x = 399,998,185.50/23,137.70
  6. Step 6: Final answer
    x = 17,287.72

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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.