Home / 12,795.80-19,175.40-4,995.56

Finding the Fourth Proportional to 12,795.80, 19,175.40 and 4,995.56

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Solution

The fourth proportional to 12,795.80, 19,175.40 and 4,995.56 is: 7,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.80 : 19,175.40 = 4,995.56 : x
  2. Step 2: Convert to fraction form
    12,795.80/19,175.40 = 4,995.56/x
  3. Step 3: Cross multiply
    12,795.80x = 19,175.40 × 4,995.56
  4. Step 4: Simplify right side
    12,795.80x = 95,791,861.22
  5. Step 5: Solve for x
    x = 95,791,861.22/12,795.80
  6. Step 6: Final answer
    x = 7,486.20

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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.