Home / 13,968.05-20,927.57-11,642.94

Finding the Fourth Proportional to 13,968.05, 20,927.57 and 11,642.94

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Solution

The fourth proportional to 13,968.05, 20,927.57 and 11,642.94 is: 17,443.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.05 : 20,927.57 = 11,642.94 : x
  2. Step 2: Convert to fraction form
    13,968.05/20,927.57 = 11,642.94/x
  3. Step 3: Cross multiply
    13,968.05x = 20,927.57 × 11,642.94
  4. Step 4: Simplify right side
    13,968.05x = 243,658,383.64
  5. Step 5: Solve for x
    x = 243,658,383.64/13,968.05
  6. Step 6: Final answer
    x = 17,443.99

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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.