Home / 14,868.97-20,513.15-10,145.05

Finding the Fourth Proportional to 14,868.97, 20,513.15 and 10,145.05

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Solution

The fourth proportional to 14,868.97, 20,513.15 and 10,145.05 is: 13,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,868.97 : 20,513.15 = 10,145.05 : x
  2. Step 2: Convert to fraction form
    14,868.97/20,513.15 = 10,145.05/x
  3. Step 3: Cross multiply
    14,868.97x = 20,513.15 × 10,145.05
  4. Step 4: Simplify right side
    14,868.97x = 208,106,868.44
  5. Step 5: Solve for x
    x = 208,106,868.44/14,868.97
  6. Step 6: Final answer
    x = 13,996.05

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Double scale
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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.