Home / 18,210.23-27,315.27-8,203.26

Finding the Fourth Proportional to 18,210.23, 27,315.27 and 8,203.26

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Solution

The fourth proportional to 18,210.23, 27,315.27 and 8,203.26 is: 12,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.23 : 27,315.27 = 8,203.26 : x
  2. Step 2: Convert to fraction form
    18,210.23/27,315.27 = 8,203.26/x
  3. Step 3: Cross multiply
    18,210.23x = 27,315.27 × 8,203.26
  4. Step 4: Simplify right side
    18,210.23x = 224,074,210.56
  5. Step 5: Solve for x
    x = 224,074,210.56/18,210.23
  6. Step 6: Final answer
    x = 12,304.86

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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.