Home / 15,452.29-23,123.07-13,379.47

Finding the Fourth Proportional to 15,452.29, 23,123.07 and 13,379.47

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Solution

The fourth proportional to 15,452.29, 23,123.07 and 13,379.47 is: 20,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.29 : 23,123.07 = 13,379.47 : x
  2. Step 2: Convert to fraction form
    15,452.29/23,123.07 = 13,379.47/x
  3. Step 3: Cross multiply
    15,452.29x = 23,123.07 × 13,379.47
  4. Step 4: Simplify right side
    15,452.29x = 309,374,421.37
  5. Step 5: Solve for x
    x = 309,374,421.37/15,452.29
  6. Step 6: Final answer
    x = 20,021.27

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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.