Home / 10,126.50-15,196.50-3,891.66

Finding the Fourth Proportional to 10,126.50, 15,196.50 and 3,891.66

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Solution

The fourth proportional to 10,126.50, 15,196.50 and 3,891.66 is: 5,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.50 : 15,196.50 = 3,891.66 : x
  2. Step 2: Convert to fraction form
    10,126.50/15,196.50 = 3,891.66/x
  3. Step 3: Cross multiply
    10,126.50x = 15,196.50 × 3,891.66
  4. Step 4: Simplify right side
    10,126.50x = 59,139,611.19
  5. Step 5: Solve for x
    x = 59,139,611.19/10,126.50
  6. Step 6: Final answer
    x = 5,840.08

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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.