Home / 13,887.02-20,832.16-8,693.30

Finding the Fourth Proportional to 13,887.02, 20,832.16 and 8,693.30

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Solution

The fourth proportional to 13,887.02, 20,832.16 and 8,693.30 is: 13,040.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.02 : 20,832.16 = 8,693.30 : x
  2. Step 2: Convert to fraction form
    13,887.02/20,832.16 = 8,693.30/x
  3. Step 3: Cross multiply
    13,887.02x = 20,832.16 × 8,693.30
  4. Step 4: Simplify right side
    13,887.02x = 181,100,216.53
  5. Step 5: Solve for x
    x = 181,100,216.53/13,887.02
  6. Step 6: Final answer
    x = 13,040.97

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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.