Home / 13,305.48-19,961.15-3,946.23

Finding the Fourth Proportional to 13,305.48, 19,961.15 and 3,946.23

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Solution

The fourth proportional to 13,305.48, 19,961.15 and 3,946.23 is: 5,920.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.48 : 19,961.15 = 3,946.23 : x
  2. Step 2: Convert to fraction form
    13,305.48/19,961.15 = 3,946.23/x
  3. Step 3: Cross multiply
    13,305.48x = 19,961.15 × 3,946.23
  4. Step 4: Simplify right side
    13,305.48x = 78,771,288.96
  5. Step 5: Solve for x
    x = 78,771,288.96/13,305.48
  6. Step 6: Final answer
    x = 5,920.21

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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.