Home / 14,576.30-20,114.71-8,609.89

Finding the Fourth Proportional to 14,576.30, 20,114.71 and 8,609.89

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Solution

The fourth proportional to 14,576.30, 20,114.71 and 8,609.89 is: 11,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.30 : 20,114.71 = 8,609.89 : x
  2. Step 2: Convert to fraction form
    14,576.30/20,114.71 = 8,609.89/x
  3. Step 3: Cross multiply
    14,576.30x = 20,114.71 × 8,609.89
  4. Step 4: Simplify right side
    14,576.30x = 173,185,440.48
  5. Step 5: Solve for x
    x = 173,185,440.48/14,576.30
  6. Step 6: Final answer
    x = 11,881.30

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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.