Home / 11,190.02-16,785.02-5,328.86

Finding the Fourth Proportional to 11,190.02, 16,785.02 and 5,328.86

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Solution

The fourth proportional to 11,190.02, 16,785.02 and 5,328.86 is: 7,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.02 : 16,785.02 = 5,328.86 : x
  2. Step 2: Convert to fraction form
    11,190.02/16,785.02 = 5,328.86/x
  3. Step 3: Cross multiply
    11,190.02x = 16,785.02 × 5,328.86
  4. Step 4: Simplify right side
    11,190.02x = 89,444,995.03
  5. Step 5: Solve for x
    x = 89,444,995.03/11,190.02
  6. Step 6: Final answer
    x = 7,993.28

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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.