Home / 14,049.34-19,388.65-8,081.01

Finding the Fourth Proportional to 14,049.34, 19,388.65 and 8,081.01

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Solution

The fourth proportional to 14,049.34, 19,388.65 and 8,081.01 is: 11,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.34 : 19,388.65 = 8,081.01 : x
  2. Step 2: Convert to fraction form
    14,049.34/19,388.65 = 8,081.01/x
  3. Step 3: Cross multiply
    14,049.34x = 19,388.65 × 8,081.01
  4. Step 4: Simplify right side
    14,049.34x = 156,679,874.54
  5. Step 5: Solve for x
    x = 156,679,874.54/14,049.34
  6. Step 6: Final answer
    x = 11,152.12

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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.