Home / 13,178.34-19,760.22-4,408.47

Finding the Fourth Proportional to 13,178.34, 19,760.22 and 4,408.47

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Solution

The fourth proportional to 13,178.34, 19,760.22 and 4,408.47 is: 6,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.34 : 19,760.22 = 4,408.47 : x
  2. Step 2: Convert to fraction form
    13,178.34/19,760.22 = 4,408.47/x
  3. Step 3: Cross multiply
    13,178.34x = 19,760.22 × 4,408.47
  4. Step 4: Simplify right side
    13,178.34x = 87,112,337.06
  5. Step 5: Solve for x
    x = 87,112,337.06/13,178.34
  6. Step 6: Final answer
    x = 6,610.27

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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.