Home / 13,961.70-19,267.80-7,674.18

Finding the Fourth Proportional to 13,961.70, 19,267.80 and 7,674.18

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Solution

The fourth proportional to 13,961.70, 19,267.80 and 7,674.18 is: 10,590.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.70 : 19,267.80 = 7,674.18 : x
  2. Step 2: Convert to fraction form
    13,961.70/19,267.80 = 7,674.18/x
  3. Step 3: Cross multiply
    13,961.70x = 19,267.80 × 7,674.18
  4. Step 4: Simplify right side
    13,961.70x = 147,864,565.40
  5. Step 5: Solve for x
    x = 147,864,565.40/13,961.70
  6. Step 6: Final answer
    x = 10,590.73

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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.