Home / 12,448.87-17,202.91-9,817.18

Finding the Fourth Proportional to 12,448.87, 17,202.91 and 9,817.18

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Solution

The fourth proportional to 12,448.87, 17,202.91 and 9,817.18 is: 13,566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.87 : 17,202.91 = 9,817.18 : x
  2. Step 2: Convert to fraction form
    12,448.87/17,202.91 = 9,817.18/x
  3. Step 3: Cross multiply
    12,448.87x = 17,202.91 × 9,817.18
  4. Step 4: Simplify right side
    12,448.87x = 168,884,063.99
  5. Step 5: Solve for x
    x = 168,884,063.99/12,448.87
  6. Step 6: Final answer
    x = 13,566.22

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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.