Home / 11,165.41-15,408.31-6,130.15

Finding the Fourth Proportional to 11,165.41, 15,408.31 and 6,130.15

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Solution

The fourth proportional to 11,165.41, 15,408.31 and 6,130.15 is: 8,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.41 : 15,408.31 = 6,130.15 : x
  2. Step 2: Convert to fraction form
    11,165.41/15,408.31 = 6,130.15/x
  3. Step 3: Cross multiply
    11,165.41x = 15,408.31 × 6,130.15
  4. Step 4: Simplify right side
    11,165.41x = 94,455,209.19
  5. Step 5: Solve for x
    x = 94,455,209.19/11,165.41
  6. Step 6: Final answer
    x = 8,459.63

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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.