Home / 14,238.80-19,645.25-8,269.32

Finding the Fourth Proportional to 14,238.80, 19,645.25 and 8,269.32

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Solution

The fourth proportional to 14,238.80, 19,645.25 and 8,269.32 is: 11,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.80 : 19,645.25 = 8,269.32 : x
  2. Step 2: Convert to fraction form
    14,238.80/19,645.25 = 8,269.32/x
  3. Step 3: Cross multiply
    14,238.80x = 19,645.25 × 8,269.32
  4. Step 4: Simplify right side
    14,238.80x = 162,452,879.40
  5. Step 5: Solve for x
    x = 162,452,879.40/14,238.80
  6. Step 6: Final answer
    x = 11,409.17

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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.