Home / 23,101.20-34,651.80-13,259.70

Finding the Fourth Proportional to 23,101.20, 34,651.80 and 13,259.70

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Solution

The fourth proportional to 23,101.20, 34,651.80 and 13,259.70 is: 19,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,101.20 : 34,651.80 = 13,259.70 : x
  2. Step 2: Convert to fraction form
    23,101.20/34,651.80 = 13,259.70/x
  3. Step 3: Cross multiply
    23,101.20x = 34,651.80 × 13,259.70
  4. Step 4: Simplify right side
    23,101.20x = 459,472,472.46
  5. Step 5: Solve for x
    x = 459,472,472.46/23,101.20
  6. Step 6: Final answer
    x = 19,889.55

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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.