Home / 13,718.10-20,584.78-6,698.21

Finding the Fourth Proportional to 13,718.10, 20,584.78 and 6,698.21

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Solution

The fourth proportional to 13,718.10, 20,584.78 and 6,698.21 is: 10,051.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.10 : 20,584.78 = 6,698.21 : x
  2. Step 2: Convert to fraction form
    13,718.10/20,584.78 = 6,698.21/x
  3. Step 3: Cross multiply
    13,718.10x = 20,584.78 × 6,698.21
  4. Step 4: Simplify right side
    13,718.10x = 137,881,059.57
  5. Step 5: Solve for x
    x = 137,881,059.57/13,718.10
  6. Step 6: Final answer
    x = 10,051.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.