Home / 13,886.19-20,829.27-3,497.94

Finding the Fourth Proportional to 13,886.19, 20,829.27 and 3,497.94

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Solution

The fourth proportional to 13,886.19, 20,829.27 and 3,497.94 is: 5,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.19 : 20,829.27 = 3,497.94 : x
  2. Step 2: Convert to fraction form
    13,886.19/20,829.27 = 3,497.94/x
  3. Step 3: Cross multiply
    13,886.19x = 20,829.27 × 3,497.94
  4. Step 4: Simplify right side
    13,886.19x = 72,859,536.70
  5. Step 5: Solve for x
    x = 72,859,536.70/13,886.19
  6. Step 6: Final answer
    x = 5,246.91

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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.