Home / 9,408.24-12,985.92-5,869.36

Finding the Fourth Proportional to 9,408.24, 12,985.92 and 5,869.36

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Solution

The fourth proportional to 9,408.24, 12,985.92 and 5,869.36 is: 8,101.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408.24 : 12,985.92 = 5,869.36 : x
  2. Step 2: Convert to fraction form
    9,408.24/12,985.92 = 5,869.36/x
  3. Step 3: Cross multiply
    9,408.24x = 12,985.92 × 5,869.36
  4. Step 4: Simplify right side
    9,408.24x = 76,219,039.41
  5. Step 5: Solve for x
    x = 76,219,039.41/9,408.24
  6. Step 6: Final answer
    x = 8,101.31

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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.