Home / 14,290.97-21,438.95-4,431.24

Finding the Fourth Proportional to 14,290.97, 21,438.95 and 4,431.24

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Solution

The fourth proportional to 14,290.97, 21,438.95 and 4,431.24 is: 6,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.97 : 21,438.95 = 4,431.24 : x
  2. Step 2: Convert to fraction form
    14,290.97/21,438.95 = 4,431.24/x
  3. Step 3: Cross multiply
    14,290.97x = 21,438.95 × 4,431.24
  4. Step 4: Simplify right side
    14,290.97x = 95,001,110.64
  5. Step 5: Solve for x
    x = 95,001,110.64/14,290.97
  6. Step 6: Final answer
    x = 6,647.63

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1.5x scale

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.