Home / 21,656.21-32,486.44-9,003.36

Finding the Fourth Proportional to 21,656.21, 32,486.44 and 9,003.36

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Solution

The fourth proportional to 21,656.21, 32,486.44 and 9,003.36 is: 13,505.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,656.21 : 32,486.44 = 9,003.36 : x
  2. Step 2: Convert to fraction form
    21,656.21/32,486.44 = 9,003.36/x
  3. Step 3: Cross multiply
    21,656.21x = 32,486.44 × 9,003.36
  4. Step 4: Simplify right side
    21,656.21x = 292,487,114.44
  5. Step 5: Solve for x
    x = 292,487,114.44/21,656.21
  6. Step 6: Final answer
    x = 13,505.92

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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.