Home / 12,027.91-18,085.74-11,065.63

Finding the Fourth Proportional to 12,027.91, 18,085.74 and 11,065.63

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Solution

The fourth proportional to 12,027.91, 18,085.74 and 11,065.63 is: 16,638.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.91 : 18,085.74 = 11,065.63 : x
  2. Step 2: Convert to fraction form
    12,027.91/18,085.74 = 11,065.63/x
  3. Step 3: Cross multiply
    12,027.91x = 18,085.74 × 11,065.63
  4. Step 4: Simplify right side
    12,027.91x = 200,130,107.12
  5. Step 5: Solve for x
    x = 200,130,107.12/12,027.91
  6. Step 6: Final answer
    x = 16,638.81

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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.