Home / 15,625.83-23,438.84-6,391.83

Finding the Fourth Proportional to 15,625.83, 23,438.84 and 6,391.83

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Solution

The fourth proportional to 15,625.83, 23,438.84 and 6,391.83 is: 9,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.83 : 23,438.84 = 6,391.83 : x
  2. Step 2: Convert to fraction form
    15,625.83/23,438.84 = 6,391.83/x
  3. Step 3: Cross multiply
    15,625.83x = 23,438.84 × 6,391.83
  4. Step 4: Simplify right side
    15,625.83x = 149,817,048.72
  5. Step 5: Solve for x
    x = 149,817,048.72/15,625.83
  6. Step 6: Final answer
    x = 9,587.78

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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.