Home / 22,600.44-31,189.41-13,646.21

Finding the Fourth Proportional to 22,600.44, 31,189.41 and 13,646.21

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Solution

The fourth proportional to 22,600.44, 31,189.41 and 13,646.21 is: 18,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.44 : 31,189.41 = 13,646.21 : x
  2. Step 2: Convert to fraction form
    22,600.44/31,189.41 = 13,646.21/x
  3. Step 3: Cross multiply
    22,600.44x = 31,189.41 × 13,646.21
  4. Step 4: Simplify right side
    22,600.44x = 425,617,082.69
  5. Step 5: Solve for x
    x = 425,617,082.69/22,600.44
  6. Step 6: Final answer
    x = 18,832.25

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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.