Home / 9,018.36-12,445.38-5,039.64

Finding the Fourth Proportional to 9,018.36, 12,445.38 and 5,039.64

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Solution

The fourth proportional to 9,018.36, 12,445.38 and 5,039.64 is: 6,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.36 : 12,445.38 = 5,039.64 : x
  2. Step 2: Convert to fraction form
    9,018.36/12,445.38 = 5,039.64/x
  3. Step 3: Cross multiply
    9,018.36x = 12,445.38 × 5,039.64
  4. Step 4: Simplify right side
    9,018.36x = 62,720,234.86
  5. Step 5: Solve for x
    x = 62,720,234.86/9,018.36
  6. Step 6: Final answer
    x = 6,954.73

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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.