Home / 14,863.08-20,513.15-9,199.65

Finding the Fourth Proportional to 14,863.08, 20,513.15 and 9,199.65

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Solution

The fourth proportional to 14,863.08, 20,513.15 and 9,199.65 is: 12,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.08 : 20,513.15 = 9,199.65 : x
  2. Step 2: Convert to fraction form
    14,863.08/20,513.15 = 9,199.65/x
  3. Step 3: Cross multiply
    14,863.08x = 20,513.15 × 9,199.65
  4. Step 4: Simplify right side
    14,863.08x = 188,713,754.40
  5. Step 5: Solve for x
    x = 188,713,754.40/14,863.08
  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.