Home / 13,219.24-19,802.70-9,936.04

Finding the Fourth Proportional to 13,219.24, 19,802.70 and 9,936.04

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Solution

The fourth proportional to 13,219.24, 19,802.70 and 9,936.04 is: 14,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.24 : 19,802.70 = 9,936.04 : x
  2. Step 2: Convert to fraction form
    13,219.24/19,802.70 = 9,936.04/x
  3. Step 3: Cross multiply
    13,219.24x = 19,802.70 × 9,936.04
  4. Step 4: Simplify right side
    13,219.24x = 196,760,419.31
  5. Step 5: Solve for x
    x = 196,760,419.31/13,219.24
  6. Step 6: Final answer
    x = 14,884.40

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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.