Home / 10,892.64-15,003.84-8,530.56

Finding the Fourth Proportional to 10,892.64, 15,003.84 and 8,530.56

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Solution

The fourth proportional to 10,892.64, 15,003.84 and 8,530.56 is: 11,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.64 : 15,003.84 = 8,530.56 : x
  2. Step 2: Convert to fraction form
    10,892.64/15,003.84 = 8,530.56/x
  3. Step 3: Cross multiply
    10,892.64x = 15,003.84 × 8,530.56
  4. Step 4: Simplify right side
    10,892.64x = 127,991,157.35
  5. Step 5: Solve for x
    x = 127,991,157.35/10,892.64
  6. Step 6: Final answer
    x = 11,750.24

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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.