Home / 13,971.32-19,272.24-9,003.32

Finding the Fourth Proportional to 13,971.32, 19,272.24 and 9,003.32

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Solution

The fourth proportional to 13,971.32, 19,272.24 and 9,003.32 is: 12,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.32 : 19,272.24 = 9,003.32 : x
  2. Step 2: Convert to fraction form
    13,971.32/19,272.24 = 9,003.32/x
  3. Step 3: Cross multiply
    13,971.32x = 19,272.24 × 9,003.32
  4. Step 4: Simplify right side
    13,971.32x = 173,514,143.84
  5. Step 5: Solve for x
    x = 173,514,143.84/13,971.32
  6. Step 6: Final answer
    x = 12,419.31

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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.