Home / 12,999.51-19,496.70-5,977.62

Finding the Fourth Proportional to 12,999.51, 19,496.70 and 5,977.62

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Solution

The fourth proportional to 12,999.51, 19,496.70 and 5,977.62 is: 8,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.51 : 19,496.70 = 5,977.62 : x
  2. Step 2: Convert to fraction form
    12,999.51/19,496.70 = 5,977.62/x
  3. Step 3: Cross multiply
    12,999.51x = 19,496.70 × 5,977.62
  4. Step 4: Simplify right side
    12,999.51x = 116,543,863.85
  5. Step 5: Solve for x
    x = 116,543,863.85/12,999.51
  6. Step 6: Final answer
    x = 8,965.25

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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.