Home / 13,315.29-19,962.84-8,049.18

Finding the Fourth Proportional to 13,315.29, 19,962.84 and 8,049.18

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Solution

The fourth proportional to 13,315.29, 19,962.84 and 8,049.18 is: 12,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.29 : 19,962.84 = 8,049.18 : x
  2. Step 2: Convert to fraction form
    13,315.29/19,962.84 = 8,049.18/x
  3. Step 3: Cross multiply
    13,315.29x = 19,962.84 × 8,049.18
  4. Step 4: Simplify right side
    13,315.29x = 160,684,492.47
  5. Step 5: Solve for x
    x = 160,684,492.47/13,315.29
  6. Step 6: Final answer
    x = 12,067.67

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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.