Home / 11,028.21-15,226.88-6,784.98

Finding the Fourth Proportional to 11,028.21, 15,226.88 and 6,784.98

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Solution

The fourth proportional to 11,028.21, 15,226.88 and 6,784.98 is: 9,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.21 : 15,226.88 = 6,784.98 : x
  2. Step 2: Convert to fraction form
    11,028.21/15,226.88 = 6,784.98/x
  3. Step 3: Cross multiply
    11,028.21x = 15,226.88 × 6,784.98
  4. Step 4: Simplify right side
    11,028.21x = 103,314,042.34
  5. Step 5: Solve for x
    x = 103,314,042.34/11,028.21
  6. Step 6: Final answer
    x = 9,368.16

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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.