Home / 30,111.06-45,175.72-11,396.84

Finding the Fourth Proportional to 30,111.06, 45,175.72 and 11,396.84

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Solution

The fourth proportional to 30,111.06, 45,175.72 and 11,396.84 is: 17,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.06 : 45,175.72 = 11,396.84 : x
  2. Step 2: Convert to fraction form
    30,111.06/45,175.72 = 11,396.84/x
  3. Step 3: Cross multiply
    30,111.06x = 45,175.72 × 11,396.84
  4. Step 4: Simplify right side
    30,111.06x = 514,860,452.72
  5. Step 5: Solve for x
    x = 514,860,452.72/30,111.06
  6. Step 6: Final answer
    x = 17,098.72

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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.