Home / 19,286.14-28,903.93-10,969.98

Finding the Fourth Proportional to 19,286.14, 28,903.93 and 10,969.98

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Solution

The fourth proportional to 19,286.14, 28,903.93 and 10,969.98 is: 16,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.14 : 28,903.93 = 10,969.98 : x
  2. Step 2: Convert to fraction form
    19,286.14/28,903.93 = 10,969.98/x
  3. Step 3: Cross multiply
    19,286.14x = 28,903.93 × 10,969.98
  4. Step 4: Simplify right side
    19,286.14x = 317,075,534.02
  5. Step 5: Solve for x
    x = 317,075,534.02/19,286.14
  6. Step 6: Final answer
    x = 16,440.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.