Home / 11,904.80-16,409.66-9,383.00

Finding the Fourth Proportional to 11,904.80, 16,409.66 and 9,383.00

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Solution

The fourth proportional to 11,904.80, 16,409.66 and 9,383.00 is: 12,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.80 : 16,409.66 = 9,383.00 : x
  2. Step 2: Convert to fraction form
    11,904.80/16,409.66 = 9,383.00/x
  3. Step 3: Cross multiply
    11,904.80x = 16,409.66 × 9,383.00
  4. Step 4: Simplify right side
    11,904.80x = 153,971,710.82
  5. Step 5: Solve for x
    x = 153,971,710.82/11,904.80
  6. Step 6: Final answer
    x = 12,933.59

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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.