Home / 13,353.89-18,416.17-11,464.87

Finding the Fourth Proportional to 13,353.89, 18,416.17 and 11,464.87

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Solution

The fourth proportional to 13,353.89, 18,416.17 and 11,464.87 is: 15,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.89 : 18,416.17 = 11,464.87 : x
  2. Step 2: Convert to fraction form
    13,353.89/18,416.17 = 11,464.87/x
  3. Step 3: Cross multiply
    13,353.89x = 18,416.17 × 11,464.87
  4. Step 4: Simplify right side
    13,353.89x = 211,138,962.10
  5. Step 5: Solve for x
    x = 211,138,962.10/13,353.89
  6. Step 6: Final answer
    x = 15,811.05

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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.