Home / 15,627.58-21,559.11-9,336.22

Finding the Fourth Proportional to 15,627.58, 21,559.11 and 9,336.22

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Solution

The fourth proportional to 15,627.58, 21,559.11 and 9,336.22 is: 12,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.58 : 21,559.11 = 9,336.22 : x
  2. Step 2: Convert to fraction form
    15,627.58/21,559.11 = 9,336.22/x
  3. Step 3: Cross multiply
    15,627.58x = 21,559.11 × 9,336.22
  4. Step 4: Simplify right side
    15,627.58x = 201,280,593.96
  5. Step 5: Solve for x
    x = 201,280,593.96/15,627.58
  6. Step 6: Final answer
    x = 12,879.83

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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.