Home / 13,969.47-19,272.41-7,997.95

Finding the Fourth Proportional to 13,969.47, 19,272.41 and 7,997.95

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Solution

The fourth proportional to 13,969.47, 19,272.41 and 7,997.95 is: 11,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.47 : 19,272.41 = 7,997.95 : x
  2. Step 2: Convert to fraction form
    13,969.47/19,272.41 = 7,997.95/x
  3. Step 3: Cross multiply
    13,969.47x = 19,272.41 × 7,997.95
  4. Step 4: Simplify right side
    13,969.47x = 154,139,675.20
  5. Step 5: Solve for x
    x = 154,139,675.20/13,969.47
  6. Step 6: Final answer
    x = 11,034.04

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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.