Home / 11,837.30-17,743.80-6,904.40

Finding the Fourth Proportional to 11,837.30, 17,743.80 and 6,904.40

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Solution

The fourth proportional to 11,837.30, 17,743.80 and 6,904.40 is: 10,349.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.30 : 17,743.80 = 6,904.40 : x
  2. Step 2: Convert to fraction form
    11,837.30/17,743.80 = 6,904.40/x
  3. Step 3: Cross multiply
    11,837.30x = 17,743.80 × 6,904.40
  4. Step 4: Simplify right side
    11,837.30x = 122,510,292.72
  5. Step 5: Solve for x
    x = 122,510,292.72/11,837.30
  6. Step 6: Final answer
    x = 10,349.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.