Home / 14,651.28-20,228.40-9,350.64

Finding the Fourth Proportional to 14,651.28, 20,228.40 and 9,350.64

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Solution

The fourth proportional to 14,651.28, 20,228.40 and 9,350.64 is: 12,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.28 : 20,228.40 = 9,350.64 : x
  2. Step 2: Convert to fraction form
    14,651.28/20,228.40 = 9,350.64/x
  3. Step 3: Cross multiply
    14,651.28x = 20,228.40 × 9,350.64
  4. Step 4: Simplify right side
    14,651.28x = 189,148,486.18
  5. Step 5: Solve for x
    x = 189,148,486.18/14,651.28
  6. Step 6: Final answer
    x = 12,910.03

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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.