Home / 22,201.48-30,637.53-12,129.96

Finding the Fourth Proportional to 22,201.48, 30,637.53 and 12,129.96

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Solution

The fourth proportional to 22,201.48, 30,637.53 and 12,129.96 is: 16,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.48 : 30,637.53 = 12,129.96 : x
  2. Step 2: Convert to fraction form
    22,201.48/30,637.53 = 12,129.96/x
  3. Step 3: Cross multiply
    22,201.48x = 30,637.53 × 12,129.96
  4. Step 4: Simplify right side
    22,201.48x = 371,632,013.40
  5. Step 5: Solve for x
    x = 371,632,013.40/22,201.48
  6. Step 6: Final answer
    x = 16,739.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.