Home / 18,384.07-27,585.22-7,290.51

Finding the Fourth Proportional to 18,384.07, 27,585.22 and 7,290.51

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Solution

The fourth proportional to 18,384.07, 27,585.22 and 7,290.51 is: 10,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.07 : 27,585.22 = 7,290.51 : x
  2. Step 2: Convert to fraction form
    18,384.07/27,585.22 = 7,290.51/x
  3. Step 3: Cross multiply
    18,384.07x = 27,585.22 × 7,290.51
  4. Step 4: Simplify right side
    18,384.07x = 201,110,322.26
  5. Step 5: Solve for x
    x = 201,110,322.26/18,384.07
  6. Step 6: Final answer
    x = 10,939.38

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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.