Home / 14,229.24-21,337.21-8,307.84

Finding the Fourth Proportional to 14,229.24, 21,337.21 and 8,307.84

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Solution

The fourth proportional to 14,229.24, 21,337.21 and 8,307.84 is: 12,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.24 : 21,337.21 = 8,307.84 : x
  2. Step 2: Convert to fraction form
    14,229.24/21,337.21 = 8,307.84/x
  3. Step 3: Cross multiply
    14,229.24x = 21,337.21 × 8,307.84
  4. Step 4: Simplify right side
    14,229.24x = 177,266,057.10
  5. Step 5: Solve for x
    x = 177,266,057.10/14,229.24
  6. Step 6: Final answer
    x = 12,457.87

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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.