Home / 10,170.64-15,194.32-6,443.04

Finding the Fourth Proportional to 10,170.64, 15,194.32 and 6,443.04

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Solution

The fourth proportional to 10,170.64, 15,194.32 and 6,443.04 is: 9,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.64 : 15,194.32 = 6,443.04 : x
  2. Step 2: Convert to fraction form
    10,170.64/15,194.32 = 6,443.04/x
  3. Step 3: Cross multiply
    10,170.64x = 15,194.32 × 6,443.04
  4. Step 4: Simplify right side
    10,170.64x = 97,897,611.53
  5. Step 5: Solve for x
    x = 97,897,611.53/10,170.64
  6. Step 6: Final answer
    x = 9,625.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.