Home / 11,803.43-17,688.62-8,878.31

Finding the Fourth Proportional to 11,803.43, 17,688.62 and 8,878.31

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Solution

The fourth proportional to 11,803.43, 17,688.62 and 8,878.31 is: 13,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.43 : 17,688.62 = 8,878.31 : x
  2. Step 2: Convert to fraction form
    11,803.43/17,688.62 = 8,878.31/x
  3. Step 3: Cross multiply
    11,803.43x = 17,688.62 × 8,878.31
  4. Step 4: Simplify right side
    11,803.43x = 157,045,051.83
  5. Step 5: Solve for x
    x = 157,045,051.83/11,803.43
  6. Step 6: Final answer
    x = 13,305.04

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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.