Home / 12,020.77-18,029.75-3,256.34

Finding the Fourth Proportional to 12,020.77, 18,029.75 and 3,256.34

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Solution

The fourth proportional to 12,020.77, 18,029.75 and 3,256.34 is: 4,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.77 : 18,029.75 = 3,256.34 : x
  2. Step 2: Convert to fraction form
    12,020.77/18,029.75 = 3,256.34/x
  3. Step 3: Cross multiply
    12,020.77x = 18,029.75 × 3,256.34
  4. Step 4: Simplify right side
    12,020.77x = 58,710,996.12
  5. Step 5: Solve for x
    x = 58,710,996.12/12,020.77
  6. Step 6: Final answer
    x = 4,884.13

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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.