Home / 13,095.57-19,643.41-6,857.43

Finding the Fourth Proportional to 13,095.57, 19,643.41 and 6,857.43

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Solution

The fourth proportional to 13,095.57, 19,643.41 and 6,857.43 is: 10,286.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.57 : 19,643.41 = 6,857.43 : x
  2. Step 2: Convert to fraction form
    13,095.57/19,643.41 = 6,857.43/x
  3. Step 3: Cross multiply
    13,095.57x = 19,643.41 × 6,857.43
  4. Step 4: Simplify right side
    13,095.57x = 134,703,243.95
  5. Step 5: Solve for x
    x = 134,703,243.95/13,095.57
  6. Step 6: Final answer
    x = 10,286.17

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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.