Home / 14,940.08-22,410.12-8,280.66

Finding the Fourth Proportional to 14,940.08, 22,410.12 and 8,280.66

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Solution

The fourth proportional to 14,940.08, 22,410.12 and 8,280.66 is: 12,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.08 : 22,410.12 = 8,280.66 : x
  2. Step 2: Convert to fraction form
    14,940.08/22,410.12 = 8,280.66/x
  3. Step 3: Cross multiply
    14,940.08x = 22,410.12 × 8,280.66
  4. Step 4: Simplify right side
    14,940.08x = 185,570,584.28
  5. Step 5: Solve for x
    x = 185,570,584.28/14,940.08
  6. Step 6: Final answer
    x = 12,420.99

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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.