Home / 14,172.35-19,546.85-9,137.39

Finding the Fourth Proportional to 14,172.35, 19,546.85 and 9,137.39

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Solution

The fourth proportional to 14,172.35, 19,546.85 and 9,137.39 is: 12,602.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.35 : 19,546.85 = 9,137.39 : x
  2. Step 2: Convert to fraction form
    14,172.35/19,546.85 = 9,137.39/x
  3. Step 3: Cross multiply
    14,172.35x = 19,546.85 × 9,137.39
  4. Step 4: Simplify right side
    14,172.35x = 178,607,116.83
  5. Step 5: Solve for x
    x = 178,607,116.83/14,172.35
  6. Step 6: Final answer
    x = 12,602.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.