Home / 13,174.77-19,740.21-9,270.97

Finding the Fourth Proportional to 13,174.77, 19,740.21 and 9,270.97

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Solution

The fourth proportional to 13,174.77, 19,740.21 and 9,270.97 is: 13,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.77 : 19,740.21 = 9,270.97 : x
  2. Step 2: Convert to fraction form
    13,174.77/19,740.21 = 9,270.97/x
  3. Step 3: Cross multiply
    13,174.77x = 19,740.21 × 9,270.97
  4. Step 4: Simplify right side
    13,174.77x = 183,010,894.70
  5. Step 5: Solve for x
    x = 183,010,894.70/13,174.77
  6. Step 6: Final answer
    x = 13,891.01

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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.