Home / 15,213.64-22,820.46-9,372.28

Finding the Fourth Proportional to 15,213.64, 22,820.46 and 9,372.28

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Solution

The fourth proportional to 15,213.64, 22,820.46 and 9,372.28 is: 14,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.64 : 22,820.46 = 9,372.28 : x
  2. Step 2: Convert to fraction form
    15,213.64/22,820.46 = 9,372.28/x
  3. Step 3: Cross multiply
    15,213.64x = 22,820.46 × 9,372.28
  4. Step 4: Simplify right side
    15,213.64x = 213,879,740.85
  5. Step 5: Solve for x
    x = 213,879,740.85/15,213.64
  6. Step 6: Final answer
    x = 14,058.42

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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.