Home / 23,197.74-34,768.13-13,288.79

Finding the Fourth Proportional to 23,197.74, 34,768.13 and 13,288.79

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Solution

The fourth proportional to 23,197.74, 34,768.13 and 13,288.79 is: 19,916.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,197.74 : 34,768.13 = 13,288.79 : x
  2. Step 2: Convert to fraction form
    23,197.74/34,768.13 = 13,288.79/x
  3. Step 3: Cross multiply
    23,197.74x = 34,768.13 × 13,288.79
  4. Step 4: Simplify right side
    23,197.74x = 462,026,137.98
  5. Step 5: Solve for x
    x = 462,026,137.98/23,197.74
  6. Step 6: Final answer
    x = 19,916.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.