Home / 15,669.62-21,623.07-8,594.54

Finding the Fourth Proportional to 15,669.62, 21,623.07 and 8,594.54

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Solution

The fourth proportional to 15,669.62, 21,623.07 and 8,594.54 is: 11,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.62 : 21,623.07 = 8,594.54 : x
  2. Step 2: Convert to fraction form
    15,669.62/21,623.07 = 8,594.54/x
  3. Step 3: Cross multiply
    15,669.62x = 21,623.07 × 8,594.54
  4. Step 4: Simplify right side
    15,669.62x = 185,840,340.04
  5. Step 5: Solve for x
    x = 185,840,340.04/15,669.62
  6. Step 6: Final answer
    x = 11,859.91

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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.