Home / 13,630.10-20,459.72-11,064.02

Finding the Fourth Proportional to 13,630.10, 20,459.72 and 11,064.02

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Solution

The fourth proportional to 13,630.10, 20,459.72 and 11,064.02 is: 16,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630.10 : 20,459.72 = 11,064.02 : x
  2. Step 2: Convert to fraction form
    13,630.10/20,459.72 = 11,064.02/x
  3. Step 3: Cross multiply
    13,630.10x = 20,459.72 × 11,064.02
  4. Step 4: Simplify right side
    13,630.10x = 226,366,676.64
  5. Step 5: Solve for x
    x = 226,366,676.64/13,630.10
  6. Step 6: Final answer
    x = 16,607.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.