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Finding the Fourth Proportional to 14,026.88, 19,357.50 and 8,059.70

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Solution

The fourth proportional to 14,026.88, 19,357.50 and 8,059.70 is: 11,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.88 : 19,357.50 = 8,059.70 : x
  2. Step 2: Convert to fraction form
    14,026.88/19,357.50 = 8,059.70/x
  3. Step 3: Cross multiply
    14,026.88x = 19,357.50 × 8,059.70
  4. Step 4: Simplify right side
    14,026.88x = 156,015,642.75
  5. Step 5: Solve for x
    x = 156,015,642.75/14,026.88
  6. Step 6: Final answer
    x = 11,122.62

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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.