Home / 20,497.08-30,745.65-5,705.99

Finding the Fourth Proportional to 20,497.08, 30,745.65 and 5,705.99

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Solution

The fourth proportional to 20,497.08, 30,745.65 and 5,705.99 is: 8,559.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,497.08 : 30,745.65 = 5,705.99 : x
  2. Step 2: Convert to fraction form
    20,497.08/30,745.65 = 5,705.99/x
  3. Step 3: Cross multiply
    20,497.08x = 30,745.65 × 5,705.99
  4. Step 4: Simplify right side
    20,497.08x = 175,434,511.31
  5. Step 5: Solve for x
    x = 175,434,511.31/20,497.08
  6. Step 6: Final answer
    x = 8,559.00

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1.5x scale

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.