Home / 14,309.12-19,746.40-8,021.44

Finding the Fourth Proportional to 14,309.12, 19,746.40 and 8,021.44

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Solution

The fourth proportional to 14,309.12, 19,746.40 and 8,021.44 is: 11,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.12 : 19,746.40 = 8,021.44 : x
  2. Step 2: Convert to fraction form
    14,309.12/19,746.40 = 8,021.44/x
  3. Step 3: Cross multiply
    14,309.12x = 19,746.40 × 8,021.44
  4. Step 4: Simplify right side
    14,309.12x = 158,394,562.82
  5. Step 5: Solve for x
    x = 158,394,562.82/14,309.12
  6. Step 6: Final answer
    x = 11,069.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.