Home / 11,331.43-15,633.01-8,354.35

Finding the Fourth Proportional to 11,331.43, 15,633.01 and 8,354.35

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Solution

The fourth proportional to 11,331.43, 15,633.01 and 8,354.35 is: 11,525.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.43 : 15,633.01 = 8,354.35 : x
  2. Step 2: Convert to fraction form
    11,331.43/15,633.01 = 8,354.35/x
  3. Step 3: Cross multiply
    11,331.43x = 15,633.01 × 8,354.35
  4. Step 4: Simplify right side
    11,331.43x = 130,603,637.09
  5. Step 5: Solve for x
    x = 130,603,637.09/11,331.43
  6. Step 6: Final answer
    x = 11,525.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.