Home / 15,627.22-21,565.60-8,553.64

Finding the Fourth Proportional to 15,627.22, 21,565.60 and 8,553.64

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Solution

The fourth proportional to 15,627.22, 21,565.60 and 8,553.64 is: 11,804.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.22 : 21,565.60 = 8,553.64 : x
  2. Step 2: Convert to fraction form
    15,627.22/21,565.60 = 8,553.64/x
  3. Step 3: Cross multiply
    15,627.22x = 21,565.60 × 8,553.64
  4. Step 4: Simplify right side
    15,627.22x = 184,464,378.78
  5. Step 5: Solve for x
    x = 184,464,378.78/15,627.22
  6. Step 6: Final answer
    x = 11,804.04

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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.