Home / 15,268.35-23,006.54-12,555.79

Finding the Fourth Proportional to 15,268.35, 23,006.54 and 12,555.79

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Solution

The fourth proportional to 15,268.35, 23,006.54 and 12,555.79 is: 18,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.35 : 23,006.54 = 12,555.79 : x
  2. Step 2: Convert to fraction form
    15,268.35/23,006.54 = 12,555.79/x
  3. Step 3: Cross multiply
    15,268.35x = 23,006.54 × 12,555.79
  4. Step 4: Simplify right side
    15,268.35x = 288,865,107.05
  5. Step 5: Solve for x
    x = 288,865,107.05/15,268.35
  6. Step 6: Final answer
    x = 18,919.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.