Home / 14,191.79-21,286.91-4,330.31

Finding the Fourth Proportional to 14,191.79, 21,286.91 and 4,330.31

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Solution

The fourth proportional to 14,191.79, 21,286.91 and 4,330.31 is: 6,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.79 : 21,286.91 = 4,330.31 : x
  2. Step 2: Convert to fraction form
    14,191.79/21,286.91 = 4,330.31/x
  3. Step 3: Cross multiply
    14,191.79x = 21,286.91 × 4,330.31
  4. Step 4: Simplify right side
    14,191.79x = 92,178,791.16
  5. Step 5: Solve for x
    x = 92,178,791.16/14,191.79
  6. Step 6: Final answer
    x = 6,495.22

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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.