Home / 17,077.05-23,539.40-12,821.97

Finding the Fourth Proportional to 17,077.05, 23,539.40 and 12,821.97

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Solution

The fourth proportional to 17,077.05, 23,539.40 and 12,821.97 is: 17,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,077.05 : 23,539.40 = 12,821.97 : x
  2. Step 2: Convert to fraction form
    17,077.05/23,539.40 = 12,821.97/x
  3. Step 3: Cross multiply
    17,077.05x = 23,539.40 × 12,821.97
  4. Step 4: Simplify right side
    17,077.05x = 301,821,416.51
  5. Step 5: Solve for x
    x = 301,821,416.51/17,077.05
  6. Step 6: Final answer
    x = 17,674.10

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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.