Home / 14,567.82-20,103.48-8,280.20

Finding the Fourth Proportional to 14,567.82, 20,103.48 and 8,280.20

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Solution

The fourth proportional to 14,567.82, 20,103.48 and 8,280.20 is: 11,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.82 : 20,103.48 = 8,280.20 : x
  2. Step 2: Convert to fraction form
    14,567.82/20,103.48 = 8,280.20/x
  3. Step 3: Cross multiply
    14,567.82x = 20,103.48 × 8,280.20
  4. Step 4: Simplify right side
    14,567.82x = 166,460,835.10
  5. Step 5: Solve for x
    x = 166,460,835.10/14,567.82
  6. Step 6: Final answer
    x = 11,426.61

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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.