Home / 18,550.60-25,611.50-12,883.52

Finding the Fourth Proportional to 18,550.60, 25,611.50 and 12,883.52

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Solution

The fourth proportional to 18,550.60, 25,611.50 and 12,883.52 is: 17,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.60 : 25,611.50 = 12,883.52 : x
  2. Step 2: Convert to fraction form
    18,550.60/25,611.50 = 12,883.52/x
  3. Step 3: Cross multiply
    18,550.60x = 25,611.50 × 12,883.52
  4. Step 4: Simplify right side
    18,550.60x = 329,966,368.72
  5. Step 5: Solve for x
    x = 329,966,368.72/18,550.60
  6. Step 6: Final answer
    x = 17,787.37

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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.