Home / 15,625.33-23,438.09-6,391.33

Finding the Fourth Proportional to 15,625.33, 23,438.09 and 6,391.33

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Solution

The fourth proportional to 15,625.33, 23,438.09 and 6,391.33 is: 9,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.33 : 23,438.09 = 6,391.33 : x
  2. Step 2: Convert to fraction form
    15,625.33/23,438.09 = 6,391.33/x
  3. Step 3: Cross multiply
    15,625.33x = 23,438.09 × 6,391.33
  4. Step 4: Simplify right side
    15,625.33x = 149,800,567.76
  5. Step 5: Solve for x
    x = 149,800,567.76/15,625.33
  6. Step 6: Final answer
    x = 9,587.03

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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.