Home / 12,941.96-19,368.32-7,941.02

Finding the Fourth Proportional to 12,941.96, 19,368.32 and 7,941.02

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Solution

The fourth proportional to 12,941.96, 19,368.32 and 7,941.02 is: 11,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.96 : 19,368.32 = 7,941.02 : x
  2. Step 2: Convert to fraction form
    12,941.96/19,368.32 = 7,941.02/x
  3. Step 3: Cross multiply
    12,941.96x = 19,368.32 × 7,941.02
  4. Step 4: Simplify right side
    12,941.96x = 153,804,216.49
  5. Step 5: Solve for x
    x = 153,804,216.49/12,941.96
  6. Step 6: Final answer
    x = 11,884.15

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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.