Home / 19,503.75-29,231.32-8,962.57

Finding the Fourth Proportional to 19,503.75, 29,231.32 and 8,962.57

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Solution

The fourth proportional to 19,503.75, 29,231.32 and 8,962.57 is: 13,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.75 : 29,231.32 = 8,962.57 : x
  2. Step 2: Convert to fraction form
    19,503.75/29,231.32 = 8,962.57/x
  3. Step 3: Cross multiply
    19,503.75x = 29,231.32 × 8,962.57
  4. Step 4: Simplify right side
    19,503.75x = 261,987,751.69
  5. Step 5: Solve for x
    x = 261,987,751.69/19,503.75
  6. Step 6: Final answer
    x = 13,432.69

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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.