Home / 13,398.91-20,101.40-4,633.90

Finding the Fourth Proportional to 13,398.91, 20,101.40 and 4,633.90

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Solution

The fourth proportional to 13,398.91, 20,101.40 and 4,633.90 is: 6,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.91 : 20,101.40 = 4,633.90 : x
  2. Step 2: Convert to fraction form
    13,398.91/20,101.40 = 4,633.90/x
  3. Step 3: Cross multiply
    13,398.91x = 20,101.40 × 4,633.90
  4. Step 4: Simplify right side
    13,398.91x = 93,147,821.41
  5. Step 5: Solve for x
    x = 93,147,821.41/13,398.91
  6. Step 6: Final answer
    x = 6,951.90

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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.