Home / 13,586.67-18,752.72-8,000.91

Finding the Fourth Proportional to 13,586.67, 18,752.72 and 8,000.91

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Solution

The fourth proportional to 13,586.67, 18,752.72 and 8,000.91 is: 11,043.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.67 : 18,752.72 = 8,000.91 : x
  2. Step 2: Convert to fraction form
    13,586.67/18,752.72 = 8,000.91/x
  3. Step 3: Cross multiply
    13,586.67x = 18,752.72 × 8,000.91
  4. Step 4: Simplify right side
    13,586.67x = 150,038,824.98
  5. Step 5: Solve for x
    x = 150,038,824.98/13,586.67
  6. Step 6: Final answer
    x = 11,043.09

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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.