Home / 13,768.71-19,001.97-8,464.83

Finding the Fourth Proportional to 13,768.71, 19,001.97 and 8,464.83

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Solution

The fourth proportional to 13,768.71, 19,001.97 and 8,464.83 is: 11,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.71 : 19,001.97 = 8,464.83 : x
  2. Step 2: Convert to fraction form
    13,768.71/19,001.97 = 8,464.83/x
  3. Step 3: Cross multiply
    13,768.71x = 19,001.97 × 8,464.83
  4. Step 4: Simplify right side
    13,768.71x = 160,848,445.72
  5. Step 5: Solve for x
    x = 160,848,445.72/13,768.71
  6. Step 6: Final answer
    x = 11,682.17

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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.