Home / 12,669.46-19,003.95-3,308.74

Finding the Fourth Proportional to 12,669.46, 19,003.95 and 3,308.74

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Solution

The fourth proportional to 12,669.46, 19,003.95 and 3,308.74 is: 4,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.46 : 19,003.95 = 3,308.74 : x
  2. Step 2: Convert to fraction form
    12,669.46/19,003.95 = 3,308.74/x
  3. Step 3: Cross multiply
    12,669.46x = 19,003.95 × 3,308.74
  4. Step 4: Simplify right side
    12,669.46x = 62,879,129.52
  5. Step 5: Solve for x
    x = 62,879,129.52/12,669.46
  6. Step 6: Final answer
    x = 4,963.05

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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.