Home / 10,088.32-13,922.64-6,109.60

Finding the Fourth Proportional to 10,088.32, 13,922.64 and 6,109.60

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Solution

The fourth proportional to 10,088.32, 13,922.64 and 6,109.60 is: 8,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.32 : 13,922.64 = 6,109.60 : x
  2. Step 2: Convert to fraction form
    10,088.32/13,922.64 = 6,109.60/x
  3. Step 3: Cross multiply
    10,088.32x = 13,922.64 × 6,109.60
  4. Step 4: Simplify right side
    10,088.32x = 85,061,761.34
  5. Step 5: Solve for x
    x = 85,061,761.34/10,088.32
  6. Step 6: Final answer
    x = 8,431.71

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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.