Home / 13,543.37-20,311.42-4,777.13

Finding the Fourth Proportional to 13,543.37, 20,311.42 and 4,777.13

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Solution

The fourth proportional to 13,543.37, 20,311.42 and 4,777.13 is: 7,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.37 : 20,311.42 = 4,777.13 : x
  2. Step 2: Convert to fraction form
    13,543.37/20,311.42 = 4,777.13/x
  3. Step 3: Cross multiply
    13,543.37x = 20,311.42 × 4,777.13
  4. Step 4: Simplify right side
    13,543.37x = 97,030,269.94
  5. Step 5: Solve for x
    x = 97,030,269.94/13,543.37
  6. Step 6: Final answer
    x = 7,164.41

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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.