Home / 13,863.47-19,125.87-10,078.34

Finding the Fourth Proportional to 13,863.47, 19,125.87 and 10,078.34

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Solution

The fourth proportional to 13,863.47, 19,125.87 and 10,078.34 is: 13,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.47 : 19,125.87 = 10,078.34 : x
  2. Step 2: Convert to fraction form
    13,863.47/19,125.87 = 10,078.34/x
  3. Step 3: Cross multiply
    13,863.47x = 19,125.87 × 10,078.34
  4. Step 4: Simplify right side
    13,863.47x = 192,757,020.66
  5. Step 5: Solve for x
    x = 192,757,020.66/13,863.47
  6. Step 6: Final answer
    x = 13,903.95

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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.