Home / 13,678.03-20,496.53-10,553.36

Finding the Fourth Proportional to 13,678.03, 20,496.53 and 10,553.36

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Solution

The fourth proportional to 13,678.03, 20,496.53 and 10,553.36 is: 15,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,678.03 : 20,496.53 = 10,553.36 : x
  2. Step 2: Convert to fraction form
    13,678.03/20,496.53 = 10,553.36/x
  3. Step 3: Cross multiply
    13,678.03x = 20,496.53 × 10,553.36
  4. Step 4: Simplify right side
    13,678.03x = 216,307,183.74
  5. Step 5: Solve for x
    x = 216,307,183.74/13,678.03
  6. Step 6: Final answer
    x = 15,814.20

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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.