Home / 12,758.80-19,130.36-4,958.52

Finding the Fourth Proportional to 12,758.80, 19,130.36 and 4,958.52

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Solution

The fourth proportional to 12,758.80, 19,130.36 and 4,958.52 is: 7,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758.80 : 19,130.36 = 4,958.52 : x
  2. Step 2: Convert to fraction form
    12,758.80/19,130.36 = 4,958.52/x
  3. Step 3: Cross multiply
    12,758.80x = 19,130.36 × 4,958.52
  4. Step 4: Simplify right side
    12,758.80x = 94,858,272.67
  5. Step 5: Solve for x
    x = 94,858,272.67/12,758.80
  6. Step 6: Final answer
    x = 7,434.73

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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.