Home / 12,666.09-18,999.96-4,874.91

Finding the Fourth Proportional to 12,666.09, 18,999.96 and 4,874.91

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Solution

The fourth proportional to 12,666.09, 18,999.96 and 4,874.91 is: 7,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.09 : 18,999.96 = 4,874.91 : x
  2. Step 2: Convert to fraction form
    12,666.09/18,999.96 = 4,874.91/x
  3. Step 3: Cross multiply
    12,666.09x = 18,999.96 × 4,874.91
  4. Step 4: Simplify right side
    12,666.09x = 92,623,095.00
  5. Step 5: Solve for x
    x = 92,623,095.00/12,666.09
  6. Step 6: Final answer
    x = 7,312.68

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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.