Home / 15,741.34-21,746.92-11,755.58

Finding the Fourth Proportional to 15,741.34, 21,746.92 and 11,755.58

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Solution

The fourth proportional to 15,741.34, 21,746.92 and 11,755.58 is: 16,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.34 : 21,746.92 = 11,755.58 : x
  2. Step 2: Convert to fraction form
    15,741.34/21,746.92 = 11,755.58/x
  3. Step 3: Cross multiply
    15,741.34x = 21,746.92 × 11,755.58
  4. Step 4: Simplify right side
    15,741.34x = 255,647,657.81
  5. Step 5: Solve for x
    x = 255,647,657.81/15,741.34
  6. Step 6: Final answer
    x = 16,240.53

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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.