Home / 11,783.48-17,643.66-6,225.32

Finding the Fourth Proportional to 11,783.48, 17,643.66 and 6,225.32

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Solution

The fourth proportional to 11,783.48, 17,643.66 and 6,225.32 is: 9,321.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.48 : 17,643.66 = 6,225.32 : x
  2. Step 2: Convert to fraction form
    11,783.48/17,643.66 = 6,225.32/x
  3. Step 3: Cross multiply
    11,783.48x = 17,643.66 × 6,225.32
  4. Step 4: Simplify right side
    11,783.48x = 109,837,429.47
  5. Step 5: Solve for x
    x = 109,837,429.47/11,783.48
  6. Step 6: Final answer
    x = 9,321.31

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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.