Home / 15,015.76-22,538.16-11,108.32

Finding the Fourth Proportional to 15,015.76, 22,538.16 and 11,108.32

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Solution

The fourth proportional to 15,015.76, 22,538.16 and 11,108.32 is: 16,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015.76 : 22,538.16 = 11,108.32 : x
  2. Step 2: Convert to fraction form
    15,015.76/22,538.16 = 11,108.32/x
  3. Step 3: Cross multiply
    15,015.76x = 22,538.16 × 11,108.32
  4. Step 4: Simplify right side
    15,015.76x = 250,361,093.49
  5. Step 5: Solve for x
    x = 250,361,093.49/15,015.76
  6. Step 6: Final answer
    x = 16,673.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.