Home / 14,049.16-19,387.82-8,080.67

Finding the Fourth Proportional to 14,049.16, 19,387.82 and 8,080.67

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Solution

The fourth proportional to 14,049.16, 19,387.82 and 8,080.67 is: 11,151.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.16 : 19,387.82 = 8,080.67 : x
  2. Step 2: Convert to fraction form
    14,049.16/19,387.82 = 8,080.67/x
  3. Step 3: Cross multiply
    14,049.16x = 19,387.82 × 8,080.67
  4. Step 4: Simplify right side
    14,049.16x = 156,666,644.11
  5. Step 5: Solve for x
    x = 156,666,644.11/14,049.16
  6. Step 6: Final answer
    x = 11,151.32

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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.