Home / 15,511.99-23,271.20-8,114.44

Finding the Fourth Proportional to 15,511.99, 23,271.20 and 8,114.44

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Solution

The fourth proportional to 15,511.99, 23,271.20 and 8,114.44 is: 12,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.99 : 23,271.20 = 8,114.44 : x
  2. Step 2: Convert to fraction form
    15,511.99/23,271.20 = 8,114.44/x
  3. Step 3: Cross multiply
    15,511.99x = 23,271.20 × 8,114.44
  4. Step 4: Simplify right side
    15,511.99x = 188,832,756.13
  5. Step 5: Solve for x
    x = 188,832,756.13/15,511.99
  6. Step 6: Final answer
    x = 12,173.34

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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.