Home / 12,999.19-19,496.64-4,677.66

Finding the Fourth Proportional to 12,999.19, 19,496.64 and 4,677.66

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Solution

The fourth proportional to 12,999.19, 19,496.64 and 4,677.66 is: 7,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.19 : 19,496.64 = 4,677.66 : x
  2. Step 2: Convert to fraction form
    12,999.19/19,496.64 = 4,677.66/x
  3. Step 3: Cross multiply
    12,999.19x = 19,496.64 × 4,677.66
  4. Step 4: Simplify right side
    12,999.19x = 91,198,653.06
  5. Step 5: Solve for x
    x = 91,198,653.06/12,999.19
  6. Step 6: Final answer
    x = 7,015.72

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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.