Home / 13,966.21-19,270.61-7,834.12

Finding the Fourth Proportional to 13,966.21, 19,270.61 and 7,834.12

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Solution

The fourth proportional to 13,966.21, 19,270.61 and 7,834.12 is: 10,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.21 : 19,270.61 = 7,834.12 : x
  2. Step 2: Convert to fraction form
    13,966.21/19,270.61 = 7,834.12/x
  3. Step 3: Cross multiply
    13,966.21x = 19,270.61 × 7,834.12
  4. Step 4: Simplify right side
    13,966.21x = 150,968,257.31
  5. Step 5: Solve for x
    x = 150,968,257.31/13,966.21
  6. Step 6: Final answer
    x = 10,809.54

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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.