Home / 13,095.45-18,067.62-7,429.77

Finding the Fourth Proportional to 13,095.45, 18,067.62 and 7,429.77

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Solution

The fourth proportional to 13,095.45, 18,067.62 and 7,429.77 is: 10,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.45 : 18,067.62 = 7,429.77 : x
  2. Step 2: Convert to fraction form
    13,095.45/18,067.62 = 7,429.77/x
  3. Step 3: Cross multiply
    13,095.45x = 18,067.62 × 7,429.77
  4. Step 4: Simplify right side
    13,095.45x = 134,238,261.05
  5. Step 5: Solve for x
    x = 134,238,261.05/13,095.45
  6. Step 6: Final answer
    x = 10,250.76

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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.