Home / 11,323.19-15,625.87-6,287.22

Finding the Fourth Proportional to 11,323.19, 15,625.87 and 6,287.22

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Solution

The fourth proportional to 11,323.19, 15,625.87 and 6,287.22 is: 8,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.19 : 15,625.87 = 6,287.22 : x
  2. Step 2: Convert to fraction form
    11,323.19/15,625.87 = 6,287.22/x
  3. Step 3: Cross multiply
    11,323.19x = 15,625.87 × 6,287.22
  4. Step 4: Simplify right side
    11,323.19x = 98,243,266.66
  5. Step 5: Solve for x
    x = 98,243,266.66/11,323.19
  6. Step 6: Final answer
    x = 8,676.29

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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.