Home / 14,427.15-21,643.86-4,431.93

Finding the Fourth Proportional to 14,427.15, 21,643.86 and 4,431.93

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Solution

The fourth proportional to 14,427.15, 21,643.86 and 4,431.93 is: 6,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.15 : 21,643.86 = 4,431.93 : x
  2. Step 2: Convert to fraction form
    14,427.15/21,643.86 = 4,431.93/x
  3. Step 3: Cross multiply
    14,427.15x = 21,643.86 × 4,431.93
  4. Step 4: Simplify right side
    14,427.15x = 95,924,072.45
  5. Step 5: Solve for x
    x = 95,924,072.45/14,427.15
  6. Step 6: Final answer
    x = 6,648.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.