Home / 19,948.55-29,928.37-8,704.87

Finding the Fourth Proportional to 19,948.55, 29,928.37 and 8,704.87

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Solution

The fourth proportional to 19,948.55, 29,928.37 and 8,704.87 is: 13,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.55 : 29,928.37 = 8,704.87 : x
  2. Step 2: Convert to fraction form
    19,948.55/29,928.37 = 8,704.87/x
  3. Step 3: Cross multiply
    19,948.55x = 29,928.37 × 8,704.87
  4. Step 4: Simplify right side
    19,948.55x = 260,522,570.16
  5. Step 5: Solve for x
    x = 260,522,570.16/19,948.55
  6. Step 6: Final answer
    x = 13,059.72

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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.