Home / 13,853.44-19,117.65-7,565.82

Finding the Fourth Proportional to 13,853.44, 19,117.65 and 7,565.82

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Solution

The fourth proportional to 13,853.44, 19,117.65 and 7,565.82 is: 10,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.44 : 19,117.65 = 7,565.82 : x
  2. Step 2: Convert to fraction form
    13,853.44/19,117.65 = 7,565.82/x
  3. Step 3: Cross multiply
    13,853.44x = 19,117.65 × 7,565.82
  4. Step 4: Simplify right side
    13,853.44x = 144,640,698.72
  5. Step 5: Solve for x
    x = 144,640,698.72/13,853.44
  6. Step 6: Final answer
    x = 10,440.78

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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.