Home / 9,837.63-13,575.92-5,421.63

Finding the Fourth Proportional to 9,837.63, 13,575.92 and 5,421.63

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Solution

The fourth proportional to 9,837.63, 13,575.92 and 5,421.63 is: 7,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,837.63 : 13,575.92 = 5,421.63 : x
  2. Step 2: Convert to fraction form
    9,837.63/13,575.92 = 5,421.63/x
  3. Step 3: Cross multiply
    9,837.63x = 13,575.92 × 5,421.63
  4. Step 4: Simplify right side
    9,837.63x = 73,603,615.15
  5. Step 5: Solve for x
    x = 73,603,615.15/9,837.63
  6. Step 6: Final answer
    x = 7,481.84

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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.