Home / 12,875.94-19,314.99-4,108.50

Finding the Fourth Proportional to 12,875.94, 19,314.99 and 4,108.50

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Solution

The fourth proportional to 12,875.94, 19,314.99 and 4,108.50 is: 6,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.94 : 19,314.99 = 4,108.50 : x
  2. Step 2: Convert to fraction form
    12,875.94/19,314.99 = 4,108.50/x
  3. Step 3: Cross multiply
    12,875.94x = 19,314.99 × 4,108.50
  4. Step 4: Simplify right side
    12,875.94x = 79,355,636.42
  5. Step 5: Solve for x
    x = 79,355,636.42/12,875.94
  6. Step 6: Final answer
    x = 6,163.09

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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.