Home / 10,985.44-15,157.60-6,269.60

Finding the Fourth Proportional to 10,985.44, 15,157.60 and 6,269.60

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Solution

The fourth proportional to 10,985.44, 15,157.60 and 6,269.60 is: 8,650.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.44 : 15,157.60 = 6,269.60 : x
  2. Step 2: Convert to fraction form
    10,985.44/15,157.60 = 6,269.60/x
  3. Step 3: Cross multiply
    10,985.44x = 15,157.60 × 6,269.60
  4. Step 4: Simplify right side
    10,985.44x = 95,032,088.96
  5. Step 5: Solve for x
    x = 95,032,088.96/10,985.44
  6. Step 6: Final answer
    x = 8,650.73

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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.