Home / 14,306.50-21,464.79-6,408.37

Finding the Fourth Proportional to 14,306.50, 21,464.79 and 6,408.37

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Solution

The fourth proportional to 14,306.50, 21,464.79 and 6,408.37 is: 9,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.50 : 21,464.79 = 6,408.37 : x
  2. Step 2: Convert to fraction form
    14,306.50/21,464.79 = 6,408.37/x
  3. Step 3: Cross multiply
    14,306.50x = 21,464.79 × 6,408.37
  4. Step 4: Simplify right side
    14,306.50x = 137,554,316.29
  5. Step 5: Solve for x
    x = 137,554,316.29/14,306.50
  6. Step 6: Final answer
    x = 9,614.81

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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.