Home / 15,079.37-20,803.84-11,109.96

Finding the Fourth Proportional to 15,079.37, 20,803.84 and 11,109.96

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Solution

The fourth proportional to 15,079.37, 20,803.84 and 11,109.96 is: 15,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,079.37 : 20,803.84 = 11,109.96 : x
  2. Step 2: Convert to fraction form
    15,079.37/20,803.84 = 11,109.96/x
  3. Step 3: Cross multiply
    15,079.37x = 20,803.84 × 11,109.96
  4. Step 4: Simplify right side
    15,079.37x = 231,129,802.47
  5. Step 5: Solve for x
    x = 231,129,802.47/15,079.37
  6. Step 6: Final answer
    x = 15,327.56

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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.