Home / 12,848.80-19,273.26-5,451.40

Finding the Fourth Proportional to 12,848.80, 19,273.26 and 5,451.40

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Solution

The fourth proportional to 12,848.80, 19,273.26 and 5,451.40 is: 8,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.80 : 19,273.26 = 5,451.40 : x
  2. Step 2: Convert to fraction form
    12,848.80/19,273.26 = 5,451.40/x
  3. Step 3: Cross multiply
    12,848.80x = 19,273.26 × 5,451.40
  4. Step 4: Simplify right side
    12,848.80x = 105,066,249.56
  5. Step 5: Solve for x
    x = 105,066,249.56/12,848.80
  6. Step 6: Final answer
    x = 8,177.13

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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.