Home / 12,271.56-18,371.66-11,005.08

Finding the Fourth Proportional to 12,271.56, 18,371.66 and 11,005.08

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Solution

The fourth proportional to 12,271.56, 18,371.66 and 11,005.08 is: 16,475.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271.56 : 18,371.66 = 11,005.08 : x
  2. Step 2: Convert to fraction form
    12,271.56/18,371.66 = 11,005.08/x
  3. Step 3: Cross multiply
    12,271.56x = 18,371.66 × 11,005.08
  4. Step 4: Simplify right side
    12,271.56x = 202,181,588.03
  5. Step 5: Solve for x
    x = 202,181,588.03/12,271.56
  6. Step 6: Final answer
    x = 16,475.62

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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.