Home / 19,137.56-28,710.92-9,265.30

Finding the Fourth Proportional to 19,137.56, 28,710.92 and 9,265.30

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Solution

The fourth proportional to 19,137.56, 28,710.92 and 9,265.30 is: 13,900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.56 : 28,710.92 = 9,265.30 : x
  2. Step 2: Convert to fraction form
    19,137.56/28,710.92 = 9,265.30/x
  3. Step 3: Cross multiply
    19,137.56x = 28,710.92 × 9,265.30
  4. Step 4: Simplify right side
    19,137.56x = 266,015,238.46
  5. Step 5: Solve for x
    x = 266,015,238.46/19,137.56
  6. Step 6: Final answer
    x = 13,900.17

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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.