Home / 12,943.24-19,415.40-4,177.06

Finding the Fourth Proportional to 12,943.24, 19,415.40 and 4,177.06

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Solution

The fourth proportional to 12,943.24, 19,415.40 and 4,177.06 is: 6,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.24 : 19,415.40 = 4,177.06 : x
  2. Step 2: Convert to fraction form
    12,943.24/19,415.40 = 4,177.06/x
  3. Step 3: Cross multiply
    12,943.24x = 19,415.40 × 4,177.06
  4. Step 4: Simplify right side
    12,943.24x = 81,099,290.72
  5. Step 5: Solve for x
    x = 81,099,290.72/12,943.24
  6. Step 6: Final answer
    x = 6,265.76

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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.