Home / 14,342.32-19,792.44-8,054.56

Finding the Fourth Proportional to 14,342.32, 19,792.44 and 8,054.56

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Solution

The fourth proportional to 14,342.32, 19,792.44 and 8,054.56 is: 11,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.32 : 19,792.44 = 8,054.56 : x
  2. Step 2: Convert to fraction form
    14,342.32/19,792.44 = 8,054.56/x
  3. Step 3: Cross multiply
    14,342.32x = 19,792.44 × 8,054.56
  4. Step 4: Simplify right side
    14,342.32x = 159,419,395.53
  5. Step 5: Solve for x
    x = 159,419,395.53/14,342.32
  6. Step 6: Final answer
    x = 11,115.31

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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.