Home / 14,017.16-19,343.60-7,729.54

Finding the Fourth Proportional to 14,017.16, 19,343.60 and 7,729.54

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Solution

The fourth proportional to 14,017.16, 19,343.60 and 7,729.54 is: 10,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.16 : 19,343.60 = 7,729.54 : x
  2. Step 2: Convert to fraction form
    14,017.16/19,343.60 = 7,729.54/x
  3. Step 3: Cross multiply
    14,017.16x = 19,343.60 × 7,729.54
  4. Step 4: Simplify right side
    14,017.16x = 149,517,129.94
  5. Step 5: Solve for x
    x = 149,517,129.94/14,017.16
  6. Step 6: Final answer
    x = 10,666.72

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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.