Home / 13,941.25-19,236.08-7,974.92

Finding the Fourth Proportional to 13,941.25, 19,236.08 and 7,974.92

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Solution

The fourth proportional to 13,941.25, 19,236.08 and 7,974.92 is: 11,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.25 : 19,236.08 = 7,974.92 : x
  2. Step 2: Convert to fraction form
    13,941.25/19,236.08 = 7,974.92/x
  3. Step 3: Cross multiply
    13,941.25x = 19,236.08 × 7,974.92
  4. Step 4: Simplify right side
    13,941.25x = 153,406,267.14
  5. Step 5: Solve for x
    x = 153,406,267.14/13,941.25
  6. Step 6: Final answer
    x = 11,003.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.