Home / 11,165.60-15,408.72-6,130.28

Finding the Fourth Proportional to 11,165.60, 15,408.72 and 6,130.28

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Solution

The fourth proportional to 11,165.60, 15,408.72 and 6,130.28 is: 8,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.60 : 15,408.72 = 6,130.28 : x
  2. Step 2: Convert to fraction form
    11,165.60/15,408.72 = 6,130.28/x
  3. Step 3: Cross multiply
    11,165.60x = 15,408.72 × 6,130.28
  4. Step 4: Simplify right side
    11,165.60x = 94,459,806.56
  5. Step 5: Solve for x
    x = 94,459,806.56/11,165.60
  6. Step 6: Final answer
    x = 8,459.89

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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.