Home / 14,286.18-21,429.45-4,425.42

Finding the Fourth Proportional to 14,286.18, 21,429.45 and 4,425.42

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Solution

The fourth proportional to 14,286.18, 21,429.45 and 4,425.42 is: 6,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.18 : 21,429.45 = 4,425.42 : x
  2. Step 2: Convert to fraction form
    14,286.18/21,429.45 = 4,425.42/x
  3. Step 3: Cross multiply
    14,286.18x = 21,429.45 × 4,425.42
  4. Step 4: Simplify right side
    14,286.18x = 94,834,316.62
  5. Step 5: Solve for x
    x = 94,834,316.62/14,286.18
  6. Step 6: Final answer
    x = 6,638.19

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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.