Home / 19,119.03-28,665.45-9,740.91

Finding the Fourth Proportional to 19,119.03, 28,665.45 and 9,740.91

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Solution

The fourth proportional to 19,119.03, 28,665.45 and 9,740.91 is: 14,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.03 : 28,665.45 = 9,740.91 : x
  2. Step 2: Convert to fraction form
    19,119.03/28,665.45 = 9,740.91/x
  3. Step 3: Cross multiply
    19,119.03x = 28,665.45 × 9,740.91
  4. Step 4: Simplify right side
    19,119.03x = 279,227,568.56
  5. Step 5: Solve for x
    x = 279,227,568.56/19,119.03
  6. Step 6: Final answer
    x = 14,604.69

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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.