Home / 13,961.76-19,267.52-7,994.40

Finding the Fourth Proportional to 13,961.76, 19,267.52 and 7,994.40

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Solution

The fourth proportional to 13,961.76, 19,267.52 and 7,994.40 is: 11,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.76 : 19,267.52 = 7,994.40 : x
  2. Step 2: Convert to fraction form
    13,961.76/19,267.52 = 7,994.40/x
  3. Step 3: Cross multiply
    13,961.76x = 19,267.52 × 7,994.40
  4. Step 4: Simplify right side
    13,961.76x = 154,032,261.89
  5. Step 5: Solve for x
    x = 154,032,261.89/13,961.76
  6. Step 6: Final answer
    x = 11,032.44

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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.