Home / 13,992.22-19,303.37-9,268.30

Finding the Fourth Proportional to 13,992.22, 19,303.37 and 9,268.30

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Solution

The fourth proportional to 13,992.22, 19,303.37 and 9,268.30 is: 12,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.22 : 19,303.37 = 9,268.30 : x
  2. Step 2: Convert to fraction form
    13,992.22/19,303.37 = 9,268.30/x
  3. Step 3: Cross multiply
    13,992.22x = 19,303.37 × 9,268.30
  4. Step 4: Simplify right side
    13,992.22x = 178,909,424.17
  5. Step 5: Solve for x
    x = 178,909,424.17/13,992.22
  6. Step 6: Final answer
    x = 12,786.35

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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.