Home / 14,016.53-20,999.27-8,155.37

Finding the Fourth Proportional to 14,016.53, 20,999.27 and 8,155.37

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Solution

The fourth proportional to 14,016.53, 20,999.27 and 8,155.37 is: 12,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.53 : 20,999.27 = 8,155.37 : x
  2. Step 2: Convert to fraction form
    14,016.53/20,999.27 = 8,155.37/x
  3. Step 3: Cross multiply
    14,016.53x = 20,999.27 × 8,155.37
  4. Step 4: Simplify right side
    14,016.53x = 171,256,670.81
  5. Step 5: Solve for x
    x = 171,256,670.81/14,016.53
  6. Step 6: Final answer
    x = 12,218.20

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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.