Home / 13,943.64-19,241.04-7,974.34

Finding the Fourth Proportional to 13,943.64, 19,241.04 and 7,974.34

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Solution

The fourth proportional to 13,943.64, 19,241.04 and 7,974.34 is: 11,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.64 : 19,241.04 = 7,974.34 : x
  2. Step 2: Convert to fraction form
    13,943.64/19,241.04 = 7,974.34/x
  3. Step 3: Cross multiply
    13,943.64x = 19,241.04 × 7,974.34
  4. Step 4: Simplify right side
    13,943.64x = 153,434,594.91
  5. Step 5: Solve for x
    x = 153,434,594.91/13,943.64
  6. Step 6: Final answer
    x = 11,003.91

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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.