Home / 14,429-19,912.02-8,141.24

Finding the Fourth Proportional to 14,429, 19,912.02 and 8,141.24

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Solution

The fourth proportional to 14,429, 19,912.02 and 8,141.24 is: 11,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429 : 19,912.02 = 8,141.24 : x
  2. Step 2: Convert to fraction form
    14,429/19,912.02 = 8,141.24/x
  3. Step 3: Cross multiply
    14,429x = 19,912.02 × 8,141.24
  4. Step 4: Simplify right side
    14,429x = 162,108,533.70
  5. Step 5: Solve for x
    x = 162,108,533.70/14,429
  6. Step 6: Final answer
    x = 11,234.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.