Home / 11,021.60-15,201.01-7,248.64

Finding the Fourth Proportional to 11,021.60, 15,201.01 and 7,248.64

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Solution

The fourth proportional to 11,021.60, 15,201.01 and 7,248.64 is: 9,997.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.60 : 15,201.01 = 7,248.64 : x
  2. Step 2: Convert to fraction form
    11,021.60/15,201.01 = 7,248.64/x
  3. Step 3: Cross multiply
    11,021.60x = 15,201.01 × 7,248.64
  4. Step 4: Simplify right side
    11,021.60x = 110,186,611.53
  5. Step 5: Solve for x
    x = 110,186,611.53/11,021.60
  6. Step 6: Final answer
    x = 9,997.34

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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.