Home / 11,323.30-15,625.87-6,287.36

Finding the Fourth Proportional to 11,323.30, 15,625.87 and 6,287.36

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Solution

The fourth proportional to 11,323.30, 15,625.87 and 6,287.36 is: 8,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.30 : 15,625.87 = 6,287.36 : x
  2. Step 2: Convert to fraction form
    11,323.30/15,625.87 = 6,287.36/x
  3. Step 3: Cross multiply
    11,323.30x = 15,625.87 × 6,287.36
  4. Step 4: Simplify right side
    11,323.30x = 98,245,470.00
  5. Step 5: Solve for x
    x = 98,245,470.00/11,323.30
  6. Step 6: Final answer
    x = 8,676.40

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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.