Home / 14,797.90-20,421.23-8,083.41

Finding the Fourth Proportional to 14,797.90, 20,421.23 and 8,083.41

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Solution

The fourth proportional to 14,797.90, 20,421.23 and 8,083.41 is: 11,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,797.90 : 20,421.23 = 8,083.41 : x
  2. Step 2: Convert to fraction form
    14,797.90/20,421.23 = 8,083.41/x
  3. Step 3: Cross multiply
    14,797.90x = 20,421.23 × 8,083.41
  4. Step 4: Simplify right side
    14,797.90x = 165,073,174.79
  5. Step 5: Solve for x
    x = 165,073,174.79/14,797.90
  6. Step 6: Final answer
    x = 11,155.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.