Home / 12,971.44-19,455.13-4,651.26

Finding the Fourth Proportional to 12,971.44, 19,455.13 and 4,651.26

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Solution

The fourth proportional to 12,971.44, 19,455.13 and 4,651.26 is: 6,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,971.44 : 19,455.13 = 4,651.26 : x
  2. Step 2: Convert to fraction form
    12,971.44/19,455.13 = 4,651.26/x
  3. Step 3: Cross multiply
    12,971.44x = 19,455.13 × 4,651.26
  4. Step 4: Simplify right side
    12,971.44x = 90,490,867.96
  5. Step 5: Solve for x
    x = 90,490,867.96/12,971.44
  6. Step 6: Final answer
    x = 6,976.16

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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.