Home / 19,655.07-29,482.62-4,863.78

Finding the Fourth Proportional to 19,655.07, 29,482.62 and 4,863.78

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Solution

The fourth proportional to 19,655.07, 29,482.62 and 4,863.78 is: 7,295.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.07 : 29,482.62 = 4,863.78 : x
  2. Step 2: Convert to fraction form
    19,655.07/29,482.62 = 4,863.78/x
  3. Step 3: Cross multiply
    19,655.07x = 29,482.62 × 4,863.78
  4. Step 4: Simplify right side
    19,655.07x = 143,396,977.50
  5. Step 5: Solve for x
    x = 143,396,977.50/19,655.07
  6. Step 6: Final answer
    x = 7,295.67

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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.