Home / 13,913.19-19,199.81-7,944.73

Finding the Fourth Proportional to 13,913.19, 19,199.81 and 7,944.73

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Solution

The fourth proportional to 13,913.19, 19,199.81 and 7,944.73 is: 10,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.19 : 19,199.81 = 7,944.73 : x
  2. Step 2: Convert to fraction form
    13,913.19/19,199.81 = 7,944.73/x
  3. Step 3: Cross multiply
    13,913.19x = 19,199.81 × 7,944.73
  4. Step 4: Simplify right side
    13,913.19x = 152,537,364.02
  5. Step 5: Solve for x
    x = 152,537,364.02/13,913.19
  6. Step 6: Final answer
    x = 10,963.51

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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.