Home / 18,830.37-28,226.85-9,441.74

Finding the Fourth Proportional to 18,830.37, 28,226.85 and 9,441.74

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Solution

The fourth proportional to 18,830.37, 28,226.85 and 9,441.74 is: 14,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.37 : 28,226.85 = 9,441.74 : x
  2. Step 2: Convert to fraction form
    18,830.37/28,226.85 = 9,441.74/x
  3. Step 3: Cross multiply
    18,830.37x = 28,226.85 × 9,441.74
  4. Step 4: Simplify right side
    18,830.37x = 266,510,534.49
  5. Step 5: Solve for x
    x = 266,510,534.49/18,830.37
  6. Step 6: Final answer
    x = 14,153.23

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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.