Home / 15,146.41-20,910.25-10,622.98

Finding the Fourth Proportional to 15,146.41, 20,910.25 and 10,622.98

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Solution

The fourth proportional to 15,146.41, 20,910.25 and 10,622.98 is: 14,665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.41 : 20,910.25 = 10,622.98 : x
  2. Step 2: Convert to fraction form
    15,146.41/20,910.25 = 10,622.98/x
  3. Step 3: Cross multiply
    15,146.41x = 20,910.25 × 10,622.98
  4. Step 4: Simplify right side
    15,146.41x = 222,129,114.43
  5. Step 5: Solve for x
    x = 222,129,114.43/15,146.41
  6. Step 6: Final answer
    x = 14,665.46

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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.