Home / 13,717.20-20,575.51-6,321.67

Finding the Fourth Proportional to 13,717.20, 20,575.51 and 6,321.67

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Solution

The fourth proportional to 13,717.20, 20,575.51 and 6,321.67 is: 9,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.20 : 20,575.51 = 6,321.67 : x
  2. Step 2: Convert to fraction form
    13,717.20/20,575.51 = 6,321.67/x
  3. Step 3: Cross multiply
    13,717.20x = 20,575.51 × 6,321.67
  4. Step 4: Simplify right side
    13,717.20x = 130,071,517.06
  5. Step 5: Solve for x
    x = 130,071,517.06/13,717.20
  6. Step 6: Final answer
    x = 9,482.36

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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.