Home / 15,433.26-21,297.50-8,719.58

Finding the Fourth Proportional to 15,433.26, 21,297.50 and 8,719.58

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Solution

The fourth proportional to 15,433.26, 21,297.50 and 8,719.58 is: 12,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433.26 : 21,297.50 = 8,719.58 : x
  2. Step 2: Convert to fraction form
    15,433.26/21,297.50 = 8,719.58/x
  3. Step 3: Cross multiply
    15,433.26x = 21,297.50 × 8,719.58
  4. Step 4: Simplify right side
    15,433.26x = 185,705,255.05
  5. Step 5: Solve for x
    x = 185,705,255.05/15,433.26
  6. Step 6: Final answer
    x = 12,032.80

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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.