Home / 11,391.06-17,085.90-4,374.45

Finding the Fourth Proportional to 11,391.06, 17,085.90 and 4,374.45

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Solution

The fourth proportional to 11,391.06, 17,085.90 and 4,374.45 is: 6,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.06 : 17,085.90 = 4,374.45 : x
  2. Step 2: Convert to fraction form
    11,391.06/17,085.90 = 4,374.45/x
  3. Step 3: Cross multiply
    11,391.06x = 17,085.90 × 4,374.45
  4. Step 4: Simplify right side
    11,391.06x = 74,741,415.26
  5. Step 5: Solve for x
    x = 74,741,415.26/11,391.06
  6. Step 6: Final answer
    x = 6,561.41

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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.