Home / 14,293.40-21,447.42-6,805.43

Finding the Fourth Proportional to 14,293.40, 21,447.42 and 6,805.43

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Solution

The fourth proportional to 14,293.40, 21,447.42 and 6,805.43 is: 10,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.40 : 21,447.42 = 6,805.43 : x
  2. Step 2: Convert to fraction form
    14,293.40/21,447.42 = 6,805.43/x
  3. Step 3: Cross multiply
    14,293.40x = 21,447.42 × 6,805.43
  4. Step 4: Simplify right side
    14,293.40x = 145,958,881.46
  5. Step 5: Solve for x
    x = 145,958,881.46/14,293.40
  6. Step 6: Final answer
    x = 10,211.63

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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.