Home / 12,549.54-18,817.62-4,226.76

Finding the Fourth Proportional to 12,549.54, 18,817.62 and 4,226.76

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Solution

The fourth proportional to 12,549.54, 18,817.62 and 4,226.76 is: 6,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.54 : 18,817.62 = 4,226.76 : x
  2. Step 2: Convert to fraction form
    12,549.54/18,817.62 = 4,226.76/x
  3. Step 3: Cross multiply
    12,549.54x = 18,817.62 × 4,226.76
  4. Step 4: Simplify right side
    12,549.54x = 79,537,563.51
  5. Step 5: Solve for x
    x = 79,537,563.51/12,549.54
  6. Step 6: Final answer
    x = 6,337.89

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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.