Home / 19,961.24-29,941.35-5,169.62

Finding the Fourth Proportional to 19,961.24, 29,941.35 and 5,169.62

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Solution

The fourth proportional to 19,961.24, 29,941.35 and 5,169.62 is: 7,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.24 : 29,941.35 = 5,169.62 : x
  2. Step 2: Convert to fraction form
    19,961.24/29,941.35 = 5,169.62/x
  3. Step 3: Cross multiply
    19,961.24x = 29,941.35 × 5,169.62
  4. Step 4: Simplify right side
    19,961.24x = 154,785,457.25
  5. Step 5: Solve for x
    x = 154,785,457.25/19,961.24
  6. Step 6: Final answer
    x = 7,754.30

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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.