Home / 21,573.83-32,365.36-12,218.27

Finding the Fourth Proportional to 21,573.83, 32,365.36 and 12,218.27

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Solution

The fourth proportional to 21,573.83, 32,365.36 and 12,218.27 is: 18,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573.83 : 32,365.36 = 12,218.27 : x
  2. Step 2: Convert to fraction form
    21,573.83/32,365.36 = 12,218.27/x
  3. Step 3: Cross multiply
    21,573.83x = 32,365.36 × 12,218.27
  4. Step 4: Simplify right side
    21,573.83x = 395,448,707.13
  5. Step 5: Solve for x
    x = 395,448,707.13/21,573.83
  6. Step 6: Final answer
    x = 18,330.02

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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.