Home / 13,527.34-20,284.32-7,906.43

Finding the Fourth Proportional to 13,527.34, 20,284.32 and 7,906.43

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Solution

The fourth proportional to 13,527.34, 20,284.32 and 7,906.43 is: 11,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.34 : 20,284.32 = 7,906.43 : x
  2. Step 2: Convert to fraction form
    13,527.34/20,284.32 = 7,906.43/x
  3. Step 3: Cross multiply
    13,527.34x = 20,284.32 × 7,906.43
  4. Step 4: Simplify right side
    13,527.34x = 160,376,606.89
  5. Step 5: Solve for x
    x = 160,376,606.89/13,527.34
  6. Step 6: Final answer
    x = 11,855.74

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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.