Home / 15,462.42-21,324.06-13,077.39

Finding the Fourth Proportional to 15,462.42, 21,324.06 and 13,077.39

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Solution

The fourth proportional to 15,462.42, 21,324.06 and 13,077.39 is: 18,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462.42 : 21,324.06 = 13,077.39 : x
  2. Step 2: Convert to fraction form
    15,462.42/21,324.06 = 13,077.39/x
  3. Step 3: Cross multiply
    15,462.42x = 21,324.06 × 13,077.39
  4. Step 4: Simplify right side
    15,462.42x = 278,863,049.00
  5. Step 5: Solve for x
    x = 278,863,049.00/15,462.42
  6. Step 6: Final answer
    x = 18,034.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.