Home / 21,647.07-32,451.36-11,657.27

Finding the Fourth Proportional to 21,647.07, 32,451.36 and 11,657.27

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Solution

The fourth proportional to 21,647.07, 32,451.36 and 11,657.27 is: 17,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647.07 : 32,451.36 = 11,657.27 : x
  2. Step 2: Convert to fraction form
    21,647.07/32,451.36 = 11,657.27/x
  3. Step 3: Cross multiply
    21,647.07x = 32,451.36 × 11,657.27
  4. Step 4: Simplify right side
    21,647.07x = 378,294,103.13
  5. Step 5: Solve for x
    x = 378,294,103.13/21,647.07
  6. Step 6: Final answer
    x = 17,475.53

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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.