Home / 12,999.08-19,496.19-5,101.28

Finding the Fourth Proportional to 12,999.08, 19,496.19 and 5,101.28

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Solution

The fourth proportional to 12,999.08, 19,496.19 and 5,101.28 is: 7,650.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.08 : 19,496.19 = 5,101.28 : x
  2. Step 2: Convert to fraction form
    12,999.08/19,496.19 = 5,101.28/x
  3. Step 3: Cross multiply
    12,999.08x = 19,496.19 × 5,101.28
  4. Step 4: Simplify right side
    12,999.08x = 99,455,518.88
  5. Step 5: Solve for x
    x = 99,455,518.88/12,999.08
  6. Step 6: Final answer
    x = 7,650.96

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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.