Home / 13,970.47-19,273.79-7,998.95

Finding the Fourth Proportional to 13,970.47, 19,273.79 and 7,998.95

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Solution

The fourth proportional to 13,970.47, 19,273.79 and 7,998.95 is: 11,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.47 : 19,273.79 = 7,998.95 : x
  2. Step 2: Convert to fraction form
    13,970.47/19,273.79 = 7,998.95/x
  3. Step 3: Cross multiply
    13,970.47x = 19,273.79 × 7,998.95
  4. Step 4: Simplify right side
    13,970.47x = 154,170,082.52
  5. Step 5: Solve for x
    x = 154,170,082.52/13,970.47
  6. Step 6: Final answer
    x = 11,035.43

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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.