Home / 15,553.35-23,311.80-11,653.20

Finding the Fourth Proportional to 15,553.35, 23,311.80 and 11,653.20

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Solution

The fourth proportional to 15,553.35, 23,311.80 and 11,653.20 is: 17,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.35 : 23,311.80 = 11,653.20 : x
  2. Step 2: Convert to fraction form
    15,553.35/23,311.80 = 11,653.20/x
  3. Step 3: Cross multiply
    15,553.35x = 23,311.80 × 11,653.20
  4. Step 4: Simplify right side
    15,553.35x = 271,657,067.76
  5. Step 5: Solve for x
    x = 271,657,067.76/15,553.35
  6. Step 6: Final answer
    x = 17,466.15

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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.