Home / 13,282.56-19,917.36-7,737.84

Finding the Fourth Proportional to 13,282.56, 19,917.36 and 7,737.84

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Solution

The fourth proportional to 13,282.56, 19,917.36 and 7,737.84 is: 11,602.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.56 : 19,917.36 = 7,737.84 : x
  2. Step 2: Convert to fraction form
    13,282.56/19,917.36 = 7,737.84/x
  3. Step 3: Cross multiply
    13,282.56x = 19,917.36 × 7,737.84
  4. Step 4: Simplify right side
    13,282.56x = 154,117,344.90
  5. Step 5: Solve for x
    x = 154,117,344.90/13,282.56
  6. Step 6: Final answer
    x = 11,602.99

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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.