Home / 13,302.50-19,940.28-8,625.48

Finding the Fourth Proportional to 13,302.50, 19,940.28 and 8,625.48

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Solution

The fourth proportional to 13,302.50, 19,940.28 and 8,625.48 is: 12,929.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.50 : 19,940.28 = 8,625.48 : x
  2. Step 2: Convert to fraction form
    13,302.50/19,940.28 = 8,625.48/x
  3. Step 3: Cross multiply
    13,302.50x = 19,940.28 × 8,625.48
  4. Step 4: Simplify right side
    13,302.50x = 171,994,379.21
  5. Step 5: Solve for x
    x = 171,994,379.21/13,302.50
  6. Step 6: Final answer
    x = 12,929.48

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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.