Home / 22,249.02-30,707.11-12,688.93

Finding the Fourth Proportional to 22,249.02, 30,707.11 and 12,688.93

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Solution

The fourth proportional to 22,249.02, 30,707.11 and 12,688.93 is: 17,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,249.02 : 30,707.11 = 12,688.93 : x
  2. Step 2: Convert to fraction form
    22,249.02/30,707.11 = 12,688.93/x
  3. Step 3: Cross multiply
    22,249.02x = 30,707.11 × 12,688.93
  4. Step 4: Simplify right side
    22,249.02x = 389,640,369.29
  5. Step 5: Solve for x
    x = 389,640,369.29/22,249.02
  6. Step 6: Final answer
    x = 17,512.70

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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.