Home / 14,223.42-21,337.56-6,328.80

Finding the Fourth Proportional to 14,223.42, 21,337.56 and 6,328.80

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Solution

The fourth proportional to 14,223.42, 21,337.56 and 6,328.80 is: 9,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.42 : 21,337.56 = 6,328.80 : x
  2. Step 2: Convert to fraction form
    14,223.42/21,337.56 = 6,328.80/x
  3. Step 3: Cross multiply
    14,223.42x = 21,337.56 × 6,328.80
  4. Step 4: Simplify right side
    14,223.42x = 135,041,149.73
  5. Step 5: Solve for x
    x = 135,041,149.73/14,223.42
  6. Step 6: Final answer
    x = 9,494.28

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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.