Home / 12,549.48-18,834.57-6,311.27

Finding the Fourth Proportional to 12,549.48, 18,834.57 and 6,311.27

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Solution

The fourth proportional to 12,549.48, 18,834.57 and 6,311.27 is: 9,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.48 : 18,834.57 = 6,311.27 : x
  2. Step 2: Convert to fraction form
    12,549.48/18,834.57 = 6,311.27/x
  3. Step 3: Cross multiply
    12,549.48x = 18,834.57 × 6,311.27
  4. Step 4: Simplify right side
    12,549.48x = 118,869,962.43
  5. Step 5: Solve for x
    x = 118,869,962.43/12,549.48
  6. Step 6: Final answer
    x = 9,472.10

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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.