Home / 14,080.80-19,427.36-8,110.32

Finding the Fourth Proportional to 14,080.80, 19,427.36 and 8,110.32

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Solution

The fourth proportional to 14,080.80, 19,427.36 and 8,110.32 is: 11,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.80 : 19,427.36 = 8,110.32 : x
  2. Step 2: Convert to fraction form
    14,080.80/19,427.36 = 8,110.32/x
  3. Step 3: Cross multiply
    14,080.80x = 19,427.36 × 8,110.32
  4. Step 4: Simplify right side
    14,080.80x = 157,562,106.36
  5. Step 5: Solve for x
    x = 157,562,106.36/14,080.80
  6. Step 6: Final answer
    x = 11,189.85

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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.