Home / 17,112.87-23,622.98-10,400.67

Finding the Fourth Proportional to 17,112.87, 23,622.98 and 10,400.67

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Solution

The fourth proportional to 17,112.87, 23,622.98 and 10,400.67 is: 14,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.87 : 23,622.98 = 10,400.67 : x
  2. Step 2: Convert to fraction form
    17,112.87/23,622.98 = 10,400.67/x
  3. Step 3: Cross multiply
    17,112.87x = 23,622.98 × 10,400.67
  4. Step 4: Simplify right side
    17,112.87x = 245,694,767.39
  5. Step 5: Solve for x
    x = 245,694,767.39/17,112.87
  6. Step 6: Final answer
    x = 14,357.31

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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.