Home / 25,299.13-34,912.64-13,969.34

Finding the Fourth Proportional to 25,299.13, 34,912.64 and 13,969.34

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Solution

The fourth proportional to 25,299.13, 34,912.64 and 13,969.34 is: 19,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.13 : 34,912.64 = 13,969.34 : x
  2. Step 2: Convert to fraction form
    25,299.13/34,912.64 = 13,969.34/x
  3. Step 3: Cross multiply
    25,299.13x = 34,912.64 × 13,969.34
  4. Step 4: Simplify right side
    25,299.13x = 487,706,538.46
  5. Step 5: Solve for x
    x = 487,706,538.46/25,299.13
  6. Step 6: Final answer
    x = 19,277.60

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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.