Home / 13,946.07-20,919.11-8,755.59

Finding the Fourth Proportional to 13,946.07, 20,919.11 and 8,755.59

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Solution

The fourth proportional to 13,946.07, 20,919.11 and 8,755.59 is: 13,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.07 : 20,919.11 = 8,755.59 : x
  2. Step 2: Convert to fraction form
    13,946.07/20,919.11 = 8,755.59/x
  3. Step 3: Cross multiply
    13,946.07x = 20,919.11 × 8,755.59
  4. Step 4: Simplify right side
    13,946.07x = 183,159,172.21
  5. Step 5: Solve for x
    x = 183,159,172.21/13,946.07
  6. Step 6: Final answer
    x = 13,133.39

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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.