Home / 21,502.02-32,262.54-8,355.39

Finding the Fourth Proportional to 21,502.02, 32,262.54 and 8,355.39

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Solution

The fourth proportional to 21,502.02, 32,262.54 and 8,355.39 is: 12,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.02 : 32,262.54 = 8,355.39 : x
  2. Step 2: Convert to fraction form
    21,502.02/32,262.54 = 8,355.39/x
  3. Step 3: Cross multiply
    21,502.02x = 32,262.54 × 8,355.39
  4. Step 4: Simplify right side
    21,502.02x = 269,566,104.09
  5. Step 5: Solve for x
    x = 269,566,104.09/21,502.02
  6. Step 6: Final answer
    x = 12,536.78

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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.