Home / 13,114.79-19,678.01-6,873.32

Finding the Fourth Proportional to 13,114.79, 19,678.01 and 6,873.32

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Solution

The fourth proportional to 13,114.79, 19,678.01 and 6,873.32 is: 10,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.79 : 19,678.01 = 6,873.32 : x
  2. Step 2: Convert to fraction form
    13,114.79/19,678.01 = 6,873.32/x
  3. Step 3: Cross multiply
    13,114.79x = 19,678.01 × 6,873.32
  4. Step 4: Simplify right side
    13,114.79x = 135,253,274.52
  5. Step 5: Solve for x
    x = 135,253,274.52/13,114.79
  6. Step 6: Final answer
    x = 10,313.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.