Home / 19,859.13-29,753.16-13,265.34

Finding the Fourth Proportional to 19,859.13, 29,753.16 and 13,265.34

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Solution

The fourth proportional to 19,859.13, 29,753.16 and 13,265.34 is: 19,874.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.13 : 29,753.16 = 13,265.34 : x
  2. Step 2: Convert to fraction form
    19,859.13/29,753.16 = 13,265.34/x
  3. Step 3: Cross multiply
    19,859.13x = 29,753.16 × 13,265.34
  4. Step 4: Simplify right side
    19,859.13x = 394,685,783.47
  5. Step 5: Solve for x
    x = 394,685,783.47/19,859.13
  6. Step 6: Final answer
    x = 19,874.27

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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.