Home / 13,475.60-20,216.10-11,299.40

Finding the Fourth Proportional to 13,475.60, 20,216.10 and 11,299.40

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Solution

The fourth proportional to 13,475.60, 20,216.10 and 11,299.40 is: 16,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.60 : 20,216.10 = 11,299.40 : x
  2. Step 2: Convert to fraction form
    13,475.60/20,216.10 = 11,299.40/x
  3. Step 3: Cross multiply
    13,475.60x = 20,216.10 × 11,299.40
  4. Step 4: Simplify right side
    13,475.60x = 228,429,800.34
  5. Step 5: Solve for x
    x = 228,429,800.34/13,475.60
  6. Step 6: Final answer
    x = 16,951.36

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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.