Home / 14,343.90-21,515.67-3,955.56

Finding the Fourth Proportional to 14,343.90, 21,515.67 and 3,955.56

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Solution

The fourth proportional to 14,343.90, 21,515.67 and 3,955.56 is: 5,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.90 : 21,515.67 = 3,955.56 : x
  2. Step 2: Convert to fraction form
    14,343.90/21,515.67 = 3,955.56/x
  3. Step 3: Cross multiply
    14,343.90x = 21,515.67 × 3,955.56
  4. Step 4: Simplify right side
    14,343.90x = 85,106,523.63
  5. Step 5: Solve for x
    x = 85,106,523.63/14,343.90
  6. Step 6: Final answer
    x = 5,933.29

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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.