Home / 13,974.81-19,283.48-9,447.34

Finding the Fourth Proportional to 13,974.81, 19,283.48 and 9,447.34

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Solution

The fourth proportional to 13,974.81, 19,283.48 and 9,447.34 is: 13,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.81 : 19,283.48 = 9,447.34 : x
  2. Step 2: Convert to fraction form
    13,974.81/19,283.48 = 9,447.34/x
  3. Step 3: Cross multiply
    13,974.81x = 19,283.48 × 9,447.34
  4. Step 4: Simplify right side
    13,974.81x = 182,177,675.46
  5. Step 5: Solve for x
    x = 182,177,675.46/13,974.81
  6. Step 6: Final answer
    x = 13,036.15

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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.