Home / 13,042.55-19,586.93-12,000.35

Finding the Fourth Proportional to 13,042.55, 19,586.93 and 12,000.35

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Solution

The fourth proportional to 13,042.55, 19,586.93 and 12,000.35 is: 18,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.55 : 19,586.93 = 12,000.35 : x
  2. Step 2: Convert to fraction form
    13,042.55/19,586.93 = 12,000.35/x
  3. Step 3: Cross multiply
    13,042.55x = 19,586.93 × 12,000.35
  4. Step 4: Simplify right side
    13,042.55x = 235,049,857.49
  5. Step 5: Solve for x
    x = 235,049,857.49/13,042.55
  6. Step 6: Final answer
    x = 18,021.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.