Home / 12,984.24-19,476.36-8,370.48

Finding the Fourth Proportional to 12,984.24, 19,476.36 and 8,370.48

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Solution

The fourth proportional to 12,984.24, 19,476.36 and 8,370.48 is: 12,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984.24 : 19,476.36 = 8,370.48 : x
  2. Step 2: Convert to fraction form
    12,984.24/19,476.36 = 8,370.48/x
  3. Step 3: Cross multiply
    12,984.24x = 19,476.36 × 8,370.48
  4. Step 4: Simplify right side
    12,984.24x = 163,026,481.85
  5. Step 5: Solve for x
    x = 163,026,481.85/12,984.24
  6. Step 6: Final answer
    x = 12,555.72

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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.