Home / 15,175.89-22,766.90-6,410.79

Finding the Fourth Proportional to 15,175.89, 22,766.90 and 6,410.79

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Solution

The fourth proportional to 15,175.89, 22,766.90 and 6,410.79 is: 9,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175.89 : 22,766.90 = 6,410.79 : x
  2. Step 2: Convert to fraction form
    15,175.89/22,766.90 = 6,410.79/x
  3. Step 3: Cross multiply
    15,175.89x = 22,766.90 × 6,410.79
  4. Step 4: Simplify right side
    15,175.89x = 145,953,782.80
  5. Step 5: Solve for x
    x = 145,953,782.80/15,175.89
  6. Step 6: Final answer
    x = 9,617.48

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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.