Home / 20,841.98-28,761.93-11,410.54

Finding the Fourth Proportional to 20,841.98, 28,761.93 and 11,410.54

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Solution

The fourth proportional to 20,841.98, 28,761.93 and 11,410.54 is: 15,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.98 : 28,761.93 = 11,410.54 : x
  2. Step 2: Convert to fraction form
    20,841.98/28,761.93 = 11,410.54/x
  3. Step 3: Cross multiply
    20,841.98x = 28,761.93 × 11,410.54
  4. Step 4: Simplify right side
    20,841.98x = 328,189,152.74
  5. Step 5: Solve for x
    x = 328,189,152.74/20,841.98
  6. Step 6: Final answer
    x = 15,746.54

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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.