Home / 18,323.29-25,301.92-11,528.64

Finding the Fourth Proportional to 18,323.29, 25,301.92 and 11,528.64

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Solution

The fourth proportional to 18,323.29, 25,301.92 and 11,528.64 is: 15,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.29 : 25,301.92 = 11,528.64 : x
  2. Step 2: Convert to fraction form
    18,323.29/25,301.92 = 11,528.64/x
  3. Step 3: Cross multiply
    18,323.29x = 25,301.92 × 11,528.64
  4. Step 4: Simplify right side
    18,323.29x = 291,696,755.36
  5. Step 5: Solve for x
    x = 291,696,755.36/18,323.29
  6. Step 6: Final answer
    x = 15,919.45

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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.