Home / 12,665.23-18,996.36-5,267.77

Finding the Fourth Proportional to 12,665.23, 18,996.36 and 5,267.77

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Solution

The fourth proportional to 12,665.23, 18,996.36 and 5,267.77 is: 7,901.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,665.23 : 18,996.36 = 5,267.77 : x
  2. Step 2: Convert to fraction form
    12,665.23/18,996.36 = 5,267.77/x
  3. Step 3: Cross multiply
    12,665.23x = 18,996.36 × 5,267.77
  4. Step 4: Simplify right side
    12,665.23x = 100,068,455.32
  5. Step 5: Solve for x
    x = 100,068,455.32/12,665.23
  6. Step 6: Final answer
    x = 7,901.04

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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.