Home / 11,320.22-15,621.73-6,284.45

Finding the Fourth Proportional to 11,320.22, 15,621.73 and 6,284.45

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Solution

The fourth proportional to 11,320.22, 15,621.73 and 6,284.45 is: 8,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.22 : 15,621.73 = 6,284.45 : x
  2. Step 2: Convert to fraction form
    11,320.22/15,621.73 = 6,284.45/x
  3. Step 3: Cross multiply
    11,320.22x = 15,621.73 × 6,284.45
  4. Step 4: Simplify right side
    11,320.22x = 98,174,004.44
  5. Step 5: Solve for x
    x = 98,174,004.44/11,320.22
  6. Step 6: Final answer
    x = 8,672.44

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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.