Home / 11,718.80-17,575.29-4,319.25

Finding the Fourth Proportional to 11,718.80, 17,575.29 and 4,319.25

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Solution

The fourth proportional to 11,718.80, 17,575.29 and 4,319.25 is: 6,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.80 : 17,575.29 = 4,319.25 : x
  2. Step 2: Convert to fraction form
    11,718.80/17,575.29 = 4,319.25/x
  3. Step 3: Cross multiply
    11,718.80x = 17,575.29 × 4,319.25
  4. Step 4: Simplify right side
    11,718.80x = 75,912,071.33
  5. Step 5: Solve for x
    x = 75,912,071.33/11,718.80
  6. Step 6: Final answer
    x = 6,477.80

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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.