Home / 14,400.58-19,872.72-8,027.20

Finding the Fourth Proportional to 14,400.58, 19,872.72 and 8,027.20

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Solution

The fourth proportional to 14,400.58, 19,872.72 and 8,027.20 is: 11,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.58 : 19,872.72 = 8,027.20 : x
  2. Step 2: Convert to fraction form
    14,400.58/19,872.72 = 8,027.20/x
  3. Step 3: Cross multiply
    14,400.58x = 19,872.72 × 8,027.20
  4. Step 4: Simplify right side
    14,400.58x = 159,522,297.98
  5. Step 5: Solve for x
    x = 159,522,297.98/14,400.58
  6. Step 6: Final answer
    x = 11,077.49

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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.