Home / 13,006.20-19,514.70-8,331.48

Finding the Fourth Proportional to 13,006.20, 19,514.70 and 8,331.48

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Solution

The fourth proportional to 13,006.20, 19,514.70 and 8,331.48 is: 12,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.20 : 19,514.70 = 8,331.48 : x
  2. Step 2: Convert to fraction form
    13,006.20/19,514.70 = 8,331.48/x
  3. Step 3: Cross multiply
    13,006.20x = 19,514.70 × 8,331.48
  4. Step 4: Simplify right side
    13,006.20x = 162,586,332.76
  5. Step 5: Solve for x
    x = 162,586,332.76/13,006.20
  6. Step 6: Final answer
    x = 12,500.68

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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.