Home / 12,968.36-19,456.64-4,648.16

Finding the Fourth Proportional to 12,968.36, 19,456.64 and 4,648.16

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Solution

The fourth proportional to 12,968.36, 19,456.64 and 4,648.16 is: 6,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.36 : 19,456.64 = 4,648.16 : x
  2. Step 2: Convert to fraction form
    12,968.36/19,456.64 = 4,648.16/x
  3. Step 3: Cross multiply
    12,968.36x = 19,456.64 × 4,648.16
  4. Step 4: Simplify right side
    12,968.36x = 90,437,575.78
  5. Step 5: Solve for x
    x = 90,437,575.78/12,968.36
  6. Step 6: Final answer
    x = 6,973.71

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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.