Home / 8,111.23-12,165.47-2,266.47

Finding the Fourth Proportional to 8,111.23, 12,165.47 and 2,266.47

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Solution

The fourth proportional to 8,111.23, 12,165.47 and 2,266.47 is: 3,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.23 : 12,165.47 = 2,266.47 : x
  2. Step 2: Convert to fraction form
    8,111.23/12,165.47 = 2,266.47/x
  3. Step 3: Cross multiply
    8,111.23x = 12,165.47 × 2,266.47
  4. Step 4: Simplify right side
    8,111.23x = 27,572,672.79
  5. Step 5: Solve for x
    x = 27,572,672.79/8,111.23
  6. Step 6: Final answer
    x = 3,399.32

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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.