Home / 19,361.50-26,714.74-11,400.82

Finding the Fourth Proportional to 19,361.50, 26,714.74 and 11,400.82

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Solution

The fourth proportional to 19,361.50, 26,714.74 and 11,400.82 is: 15,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.50 : 26,714.74 = 11,400.82 : x
  2. Step 2: Convert to fraction form
    19,361.50/26,714.74 = 11,400.82/x
  3. Step 3: Cross multiply
    19,361.50x = 26,714.74 × 11,400.82
  4. Step 4: Simplify right side
    19,361.50x = 304,569,942.09
  5. Step 5: Solve for x
    x = 304,569,942.09/19,361.50
  6. Step 6: Final answer
    x = 15,730.70

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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.