Home / 11,528.49-17,292.74-3,208.51

Finding the Fourth Proportional to 11,528.49, 17,292.74 and 3,208.51

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Solution

The fourth proportional to 11,528.49, 17,292.74 and 3,208.51 is: 4,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.49 : 17,292.74 = 3,208.51 : x
  2. Step 2: Convert to fraction form
    11,528.49/17,292.74 = 3,208.51/x
  3. Step 3: Cross multiply
    11,528.49x = 17,292.74 × 3,208.51
  4. Step 4: Simplify right side
    11,528.49x = 55,483,952.84
  5. Step 5: Solve for x
    x = 55,483,952.84/11,528.49
  6. Step 6: Final answer
    x = 4,812.77

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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.