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Finding the Fourth Proportional to 15,073.83, 22,611.83 and 3,980.41

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Solution

The fourth proportional to 15,073.83, 22,611.83 and 3,980.41 is: 5,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,073.83 : 22,611.83 = 3,980.41 : x
  2. Step 2: Convert to fraction form
    15,073.83/22,611.83 = 3,980.41/x
  3. Step 3: Cross multiply
    15,073.83x = 22,611.83 × 3,980.41
  4. Step 4: Simplify right side
    15,073.83x = 90,004,277.82
  5. Step 5: Solve for x
    x = 90,004,277.82/15,073.83
  6. Step 6: Final answer
    x = 5,970.90

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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.