Home / 10,453.09-15,679.23-3,876.34

Finding the Fourth Proportional to 10,453.09, 15,679.23 and 3,876.34

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Solution

The fourth proportional to 10,453.09, 15,679.23 and 3,876.34 is: 5,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.09 : 15,679.23 = 3,876.34 : x
  2. Step 2: Convert to fraction form
    10,453.09/15,679.23 = 3,876.34/x
  3. Step 3: Cross multiply
    10,453.09x = 15,679.23 × 3,876.34
  4. Step 4: Simplify right side
    10,453.09x = 60,778,026.42
  5. Step 5: Solve for x
    x = 60,778,026.42/10,453.09
  6. Step 6: Final answer
    x = 5,814.36

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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.