Home / 11,165.24-15,408.46-6,129.68

Finding the Fourth Proportional to 11,165.24, 15,408.46 and 6,129.68

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Solution

The fourth proportional to 11,165.24, 15,408.46 and 6,129.68 is: 8,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.24 : 15,408.46 = 6,129.68 : x
  2. Step 2: Convert to fraction form
    11,165.24/15,408.46 = 6,129.68/x
  3. Step 3: Cross multiply
    11,165.24x = 15,408.46 × 6,129.68
  4. Step 4: Simplify right side
    11,165.24x = 94,448,859.71
  5. Step 5: Solve for x
    x = 94,448,859.71/11,165.24
  6. Step 6: Final answer
    x = 8,459.19

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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.