Home / 15,254.56-21,054.01-11,074.96

Finding the Fourth Proportional to 15,254.56, 21,054.01 and 11,074.96

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Solution

The fourth proportional to 15,254.56, 21,054.01 and 11,074.96 is: 15,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,254.56 : 21,054.01 = 11,074.96 : x
  2. Step 2: Convert to fraction form
    15,254.56/21,054.01 = 11,074.96/x
  3. Step 3: Cross multiply
    15,254.56x = 21,054.01 × 11,074.96
  4. Step 4: Simplify right side
    15,254.56x = 233,172,213.32
  5. Step 5: Solve for x
    x = 233,172,213.32/15,254.56
  6. Step 6: Final answer
    x = 15,285.42

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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.