Home / 19,133.07-28,694.40-12,102.53

Finding the Fourth Proportional to 19,133.07, 28,694.40 and 12,102.53

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Solution

The fourth proportional to 19,133.07, 28,694.40 and 12,102.53 is: 18,150.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.07 : 28,694.40 = 12,102.53 : x
  2. Step 2: Convert to fraction form
    19,133.07/28,694.40 = 12,102.53/x
  3. Step 3: Cross multiply
    19,133.07x = 28,694.40 × 12,102.53
  4. Step 4: Simplify right side
    19,133.07x = 347,274,693.36
  5. Step 5: Solve for x
    x = 347,274,693.36/19,133.07
  6. Step 6: Final answer
    x = 18,150.50

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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.