Home / 13,901.71-20,854.85-4,539.03

Finding the Fourth Proportional to 13,901.71, 20,854.85 and 4,539.03

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Solution

The fourth proportional to 13,901.71, 20,854.85 and 4,539.03 is: 6,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.71 : 20,854.85 = 4,539.03 : x
  2. Step 2: Convert to fraction form
    13,901.71/20,854.85 = 4,539.03/x
  3. Step 3: Cross multiply
    13,901.71x = 20,854.85 × 4,539.03
  4. Step 4: Simplify right side
    13,901.71x = 94,660,789.80
  5. Step 5: Solve for x
    x = 94,660,789.80/13,901.71
  6. Step 6: Final answer
    x = 6,809.29

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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.