Home / 14,438.31-21,657.47-3,494.31

Finding the Fourth Proportional to 14,438.31, 21,657.47 and 3,494.31

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Solution

The fourth proportional to 14,438.31, 21,657.47 and 3,494.31 is: 5,241.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.31 : 21,657.47 = 3,494.31 : x
  2. Step 2: Convert to fraction form
    14,438.31/21,657.47 = 3,494.31/x
  3. Step 3: Cross multiply
    14,438.31x = 21,657.47 × 3,494.31
  4. Step 4: Simplify right side
    14,438.31x = 75,677,914.00
  5. Step 5: Solve for x
    x = 75,677,914.00/14,438.31
  6. Step 6: Final answer
    x = 5,241.47

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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.