Home / 18,274.04-27,422.00-10,488.32

Finding the Fourth Proportional to 18,274.04, 27,422.00 and 10,488.32

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Solution

The fourth proportional to 18,274.04, 27,422.00 and 10,488.32 is: 15,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.04 : 27,422.00 = 10,488.32 : x
  2. Step 2: Convert to fraction form
    18,274.04/27,422.00 = 10,488.32/x
  3. Step 3: Cross multiply
    18,274.04x = 27,422.00 × 10,488.32
  4. Step 4: Simplify right side
    18,274.04x = 287,610,521.49
  5. Step 5: Solve for x
    x = 287,610,521.49/18,274.04
  6. Step 6: Final answer
    x = 15,738.75

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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.