Home / 13,292.20-18,343.29-7,323.58

Finding the Fourth Proportional to 13,292.20, 18,343.29 and 7,323.58

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Solution

The fourth proportional to 13,292.20, 18,343.29 and 7,323.58 is: 10,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.20 : 18,343.29 = 7,323.58 : x
  2. Step 2: Convert to fraction form
    13,292.20/18,343.29 = 7,323.58/x
  3. Step 3: Cross multiply
    13,292.20x = 18,343.29 × 7,323.58
  4. Step 4: Simplify right side
    13,292.20x = 134,338,551.78
  5. Step 5: Solve for x
    x = 134,338,551.78/13,292.20
  6. Step 6: Final answer
    x = 10,106.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.