Home / 21,410.24-32,109.60-7,557.44

Finding the Fourth Proportional to 21,410.24, 32,109.60 and 7,557.44

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Solution

The fourth proportional to 21,410.24, 32,109.60 and 7,557.44 is: 11,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410.24 : 32,109.60 = 7,557.44 : x
  2. Step 2: Convert to fraction form
    21,410.24/32,109.60 = 7,557.44/x
  3. Step 3: Cross multiply
    21,410.24x = 32,109.60 × 7,557.44
  4. Step 4: Simplify right side
    21,410.24x = 242,666,375.42
  5. Step 5: Solve for x
    x = 242,666,375.42/21,410.24
  6. Step 6: Final answer
    x = 11,334.13

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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.