Home / 13,274.69-19,921.08-5,483.45

Finding the Fourth Proportional to 13,274.69, 19,921.08 and 5,483.45

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Solution

The fourth proportional to 13,274.69, 19,921.08 and 5,483.45 is: 8,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.69 : 19,921.08 = 5,483.45 : x
  2. Step 2: Convert to fraction form
    13,274.69/19,921.08 = 5,483.45/x
  3. Step 3: Cross multiply
    13,274.69x = 19,921.08 × 5,483.45
  4. Step 4: Simplify right side
    13,274.69x = 109,236,246.13
  5. Step 5: Solve for x
    x = 109,236,246.13/13,274.69
  6. Step 6: Final answer
    x = 8,228.91

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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.