Home / 21,265.93-29,346.24-11,705.77

Finding the Fourth Proportional to 21,265.93, 29,346.24 and 11,705.77

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Solution

The fourth proportional to 21,265.93, 29,346.24 and 11,705.77 is: 16,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265.93 : 29,346.24 = 11,705.77 : x
  2. Step 2: Convert to fraction form
    21,265.93/29,346.24 = 11,705.77/x
  3. Step 3: Cross multiply
    21,265.93x = 29,346.24 × 11,705.77
  4. Step 4: Simplify right side
    21,265.93x = 343,520,335.80
  5. Step 5: Solve for x
    x = 343,520,335.80/21,265.93
  6. Step 6: Final answer
    x = 16,153.55

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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.