Home / 13,218.08-19,788.26-8,524.23

Finding the Fourth Proportional to 13,218.08, 19,788.26 and 8,524.23

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Solution

The fourth proportional to 13,218.08, 19,788.26 and 8,524.23 is: 12,761.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.08 : 19,788.26 = 8,524.23 : x
  2. Step 2: Convert to fraction form
    13,218.08/19,788.26 = 8,524.23/x
  3. Step 3: Cross multiply
    13,218.08x = 19,788.26 × 8,524.23
  4. Step 4: Simplify right side
    13,218.08x = 168,679,636.92
  5. Step 5: Solve for x
    x = 168,679,636.92/13,218.08
  6. Step 6: Final answer
    x = 12,761.29

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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.