Home / 10,186.36-15,280.50-3,166.46

Finding the Fourth Proportional to 10,186.36, 15,280.50 and 3,166.46

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Solution

The fourth proportional to 10,186.36, 15,280.50 and 3,166.46 is: 4,749.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.36 : 15,280.50 = 3,166.46 : x
  2. Step 2: Convert to fraction form
    10,186.36/15,280.50 = 3,166.46/x
  3. Step 3: Cross multiply
    10,186.36x = 15,280.50 × 3,166.46
  4. Step 4: Simplify right side
    10,186.36x = 48,385,092.03
  5. Step 5: Solve for x
    x = 48,385,092.03/10,186.36
  6. Step 6: Final answer
    x = 4,749.99

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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.