Home / 12,042.65-18,059.48-4,142.93

Finding the Fourth Proportional to 12,042.65, 18,059.48 and 4,142.93

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Solution

The fourth proportional to 12,042.65, 18,059.48 and 4,142.93 is: 6,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.65 : 18,059.48 = 4,142.93 : x
  2. Step 2: Convert to fraction form
    12,042.65/18,059.48 = 4,142.93/x
  3. Step 3: Cross multiply
    12,042.65x = 18,059.48 × 4,142.93
  4. Step 4: Simplify right side
    12,042.65x = 74,819,179.24
  5. Step 5: Solve for x
    x = 74,819,179.24/12,042.65
  6. Step 6: Final answer
    x = 6,212.85

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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.