Home / 13,328.72-19,996.32-5,533.28

Finding the Fourth Proportional to 13,328.72, 19,996.32 and 5,533.28

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Solution

The fourth proportional to 13,328.72, 19,996.32 and 5,533.28 is: 8,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.72 : 19,996.32 = 5,533.28 : x
  2. Step 2: Convert to fraction form
    13,328.72/19,996.32 = 5,533.28/x
  3. Step 3: Cross multiply
    13,328.72x = 19,996.32 × 5,533.28
  4. Step 4: Simplify right side
    13,328.72x = 110,645,237.53
  5. Step 5: Solve for x
    x = 110,645,237.53/13,328.72
  6. Step 6: Final answer
    x = 8,301.27

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1.5x scale

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.