Home / 12,666.12-18,999.96-4,874.94

Finding the Fourth Proportional to 12,666.12, 18,999.96 and 4,874.94

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Solution

The fourth proportional to 12,666.12, 18,999.96 and 4,874.94 is: 7,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.12 : 18,999.96 = 4,874.94 : x
  2. Step 2: Convert to fraction form
    12,666.12/18,999.96 = 4,874.94/x
  3. Step 3: Cross multiply
    12,666.12x = 18,999.96 × 4,874.94
  4. Step 4: Simplify right side
    12,666.12x = 92,623,665.00
  5. Step 5: Solve for x
    x = 92,623,665.00/12,666.12
  6. Step 6: Final answer
    x = 7,312.71

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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.