Home / 14,188.31-21,282.40-4,327.56

Finding the Fourth Proportional to 14,188.31, 21,282.40 and 4,327.56

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Solution

The fourth proportional to 14,188.31, 21,282.40 and 4,327.56 is: 6,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.31 : 21,282.40 = 4,327.56 : x
  2. Step 2: Convert to fraction form
    14,188.31/21,282.40 = 4,327.56/x
  3. Step 3: Cross multiply
    14,188.31x = 21,282.40 × 4,327.56
  4. Step 4: Simplify right side
    14,188.31x = 92,100,862.94
  5. Step 5: Solve for x
    x = 92,100,862.94/14,188.31
  6. Step 6: Final answer
    x = 6,491.32

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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.