Home / 11,114.02-15,342.92-8,590.43

Finding the Fourth Proportional to 11,114.02, 15,342.92 and 8,590.43

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Solution

The fourth proportional to 11,114.02, 15,342.92 and 8,590.43 is: 11,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.02 : 15,342.92 = 8,590.43 : x
  2. Step 2: Convert to fraction form
    11,114.02/15,342.92 = 8,590.43/x
  3. Step 3: Cross multiply
    11,114.02x = 15,342.92 × 8,590.43
  4. Step 4: Simplify right side
    11,114.02x = 131,802,160.59
  5. Step 5: Solve for x
    x = 131,802,160.59/11,114.02
  6. Step 6: Final answer
    x = 11,859.09

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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.