Home / 13,245.78-19,850.04-10,460.19

Finding the Fourth Proportional to 13,245.78, 19,850.04 and 10,460.19

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Solution

The fourth proportional to 13,245.78, 19,850.04 and 10,460.19 is: 15,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.78 : 19,850.04 = 10,460.19 : x
  2. Step 2: Convert to fraction form
    13,245.78/19,850.04 = 10,460.19/x
  3. Step 3: Cross multiply
    13,245.78x = 19,850.04 × 10,460.19
  4. Step 4: Simplify right side
    13,245.78x = 207,635,189.91
  5. Step 5: Solve for x
    x = 207,635,189.91/13,245.78
  6. Step 6: Final answer
    x = 15,675.57

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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.