Home / 13,969.60-19,272.58-7,998.07

Finding the Fourth Proportional to 13,969.60, 19,272.58 and 7,998.07

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Solution

The fourth proportional to 13,969.60, 19,272.58 and 7,998.07 is: 11,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.60 : 19,272.58 = 7,998.07 : x
  2. Step 2: Convert to fraction form
    13,969.60/19,272.58 = 7,998.07/x
  3. Step 3: Cross multiply
    13,969.60x = 19,272.58 × 7,998.07
  4. Step 4: Simplify right side
    13,969.60x = 154,143,443.92
  5. Step 5: Solve for x
    x = 154,143,443.92/13,969.60
  6. Step 6: Final answer
    x = 11,034.21

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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.