Home / 11,945.70-17,911.63-4,045.58

Finding the Fourth Proportional to 11,945.70, 17,911.63 and 4,045.58

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Solution

The fourth proportional to 11,945.70, 17,911.63 and 4,045.58 is: 6,066.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.70 : 17,911.63 = 4,045.58 : x
  2. Step 2: Convert to fraction form
    11,945.70/17,911.63 = 4,045.58/x
  3. Step 3: Cross multiply
    11,945.70x = 17,911.63 × 4,045.58
  4. Step 4: Simplify right side
    11,945.70x = 72,462,932.10
  5. Step 5: Solve for x
    x = 72,462,932.10/11,945.70
  6. Step 6: Final answer
    x = 6,066.03

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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.