Home / 13,849.80-19,114.35-7,800.24

Finding the Fourth Proportional to 13,849.80, 19,114.35 and 7,800.24

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Solution

The fourth proportional to 13,849.80, 19,114.35 and 7,800.24 is: 10,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.80 : 19,114.35 = 7,800.24 : x
  2. Step 2: Convert to fraction form
    13,849.80/19,114.35 = 7,800.24/x
  3. Step 3: Cross multiply
    13,849.80x = 19,114.35 × 7,800.24
  4. Step 4: Simplify right side
    13,849.80x = 149,096,517.44
  5. Step 5: Solve for x
    x = 149,096,517.44/13,849.80
  6. Step 6: Final answer
    x = 10,765.25

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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.