Home / 14,567.75-20,103.43-8,280.13

Finding the Fourth Proportional to 14,567.75, 20,103.43 and 8,280.13

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Solution

The fourth proportional to 14,567.75, 20,103.43 and 8,280.13 is: 11,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.75 : 20,103.43 = 8,280.13 : x
  2. Step 2: Convert to fraction form
    14,567.75/20,103.43 = 8,280.13/x
  3. Step 3: Cross multiply
    14,567.75x = 20,103.43 × 8,280.13
  4. Step 4: Simplify right side
    14,567.75x = 166,459,013.85
  5. Step 5: Solve for x
    x = 166,459,013.85/14,567.75
  6. Step 6: Final answer
    x = 11,426.54

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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.