Home / 12,814.98-19,228.76-8,600.90

Finding the Fourth Proportional to 12,814.98, 19,228.76 and 8,600.90

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Solution

The fourth proportional to 12,814.98, 19,228.76 and 8,600.90 is: 12,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.98 : 19,228.76 = 8,600.90 : x
  2. Step 2: Convert to fraction form
    12,814.98/19,228.76 = 8,600.90/x
  3. Step 3: Cross multiply
    12,814.98x = 19,228.76 × 8,600.90
  4. Step 4: Simplify right side
    12,814.98x = 165,384,502.74
  5. Step 5: Solve for x
    x = 165,384,502.74/12,814.98
  6. Step 6: Final answer
    x = 12,905.56

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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.