Home / 14,863.07-20,513.14-9,199.64

Finding the Fourth Proportional to 14,863.07, 20,513.14 and 9,199.64

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Solution

The fourth proportional to 14,863.07, 20,513.14 and 9,199.64 is: 12,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.07 : 20,513.14 = 9,199.64 : x
  2. Step 2: Convert to fraction form
    14,863.07/20,513.14 = 9,199.64/x
  3. Step 3: Cross multiply
    14,863.07x = 20,513.14 × 9,199.64
  4. Step 4: Simplify right side
    14,863.07x = 188,713,503.27
  5. Step 5: Solve for x
    x = 188,713,503.27/14,863.07
  6. Step 6: Final answer
    x = 12,696.81

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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.