Home / 13,956.78-19,260.38-7,583.40

Finding the Fourth Proportional to 13,956.78, 19,260.38 and 7,583.40

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Solution

The fourth proportional to 13,956.78, 19,260.38 and 7,583.40 is: 10,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.78 : 19,260.38 = 7,583.40 : x
  2. Step 2: Convert to fraction form
    13,956.78/19,260.38 = 7,583.40/x
  3. Step 3: Cross multiply
    13,956.78x = 19,260.38 × 7,583.40
  4. Step 4: Simplify right side
    13,956.78x = 146,059,232.80
  5. Step 5: Solve for x
    x = 146,059,232.80/13,956.78
  6. Step 6: Final answer
    x = 10,465.11

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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.