Home / 13,928.71-20,878.41-4,566.30

Finding the Fourth Proportional to 13,928.71, 20,878.41 and 4,566.30

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Solution

The fourth proportional to 13,928.71, 20,878.41 and 4,566.30 is: 6,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.71 : 20,878.41 = 4,566.30 : x
  2. Step 2: Convert to fraction form
    13,928.71/20,878.41 = 4,566.30/x
  3. Step 3: Cross multiply
    13,928.71x = 20,878.41 × 4,566.30
  4. Step 4: Simplify right side
    13,928.71x = 95,337,083.58
  5. Step 5: Solve for x
    x = 95,337,083.58/13,928.71
  6. Step 6: Final answer
    x = 6,844.65

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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.