Home / 10,999.28-15,173.64-6,282.32

Finding the Fourth Proportional to 10,999.28, 15,173.64 and 6,282.32

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Solution

The fourth proportional to 10,999.28, 15,173.64 and 6,282.32 is: 8,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.28 : 15,173.64 = 6,282.32 : x
  2. Step 2: Convert to fraction form
    10,999.28/15,173.64 = 6,282.32/x
  3. Step 3: Cross multiply
    10,999.28x = 15,173.64 × 6,282.32
  4. Step 4: Simplify right side
    10,999.28x = 95,325,662.04
  5. Step 5: Solve for x
    x = 95,325,662.04/10,999.28
  6. Step 6: Final answer
    x = 8,666.54

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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.