Home / 13,184.86-19,784.58-5,399.14

Finding the Fourth Proportional to 13,184.86, 19,784.58 and 5,399.14

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Solution

The fourth proportional to 13,184.86, 19,784.58 and 5,399.14 is: 8,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.86 : 19,784.58 = 5,399.14 : x
  2. Step 2: Convert to fraction form
    13,184.86/19,784.58 = 5,399.14/x
  3. Step 3: Cross multiply
    13,184.86x = 19,784.58 × 5,399.14
  4. Step 4: Simplify right side
    13,184.86x = 106,819,717.26
  5. Step 5: Solve for x
    x = 106,819,717.26/13,184.86
  6. Step 6: Final answer
    x = 8,101.70

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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.