Home / 18,311.67-25,268.36-14,543.96

Finding the Fourth Proportional to 18,311.67, 25,268.36 and 14,543.96

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Solution

The fourth proportional to 18,311.67, 25,268.36 and 14,543.96 is: 20,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.67 : 25,268.36 = 14,543.96 : x
  2. Step 2: Convert to fraction form
    18,311.67/25,268.36 = 14,543.96/x
  3. Step 3: Cross multiply
    18,311.67x = 25,268.36 × 14,543.96
  4. Step 4: Simplify right side
    18,311.67x = 367,501,818.04
  5. Step 5: Solve for x
    x = 367,501,818.04/18,311.67
  6. Step 6: Final answer
    x = 20,069.27

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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.