Home / 13,836.88-19,095.33-7,868.17

Finding the Fourth Proportional to 13,836.88, 19,095.33 and 7,868.17

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Solution

The fourth proportional to 13,836.88, 19,095.33 and 7,868.17 is: 10,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.88 : 19,095.33 = 7,868.17 : x
  2. Step 2: Convert to fraction form
    13,836.88/19,095.33 = 7,868.17/x
  3. Step 3: Cross multiply
    13,836.88x = 19,095.33 × 7,868.17
  4. Step 4: Simplify right side
    13,836.88x = 150,245,302.65
  5. Step 5: Solve for x
    x = 150,245,302.65/13,836.88
  6. Step 6: Final answer
    x = 10,858.32

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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.