Home / 18,270.06-27,405.27-6,423.30

Finding the Fourth Proportional to 18,270.06, 27,405.27 and 6,423.30

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Solution

The fourth proportional to 18,270.06, 27,405.27 and 6,423.30 is: 9,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.06 : 27,405.27 = 6,423.30 : x
  2. Step 2: Convert to fraction form
    18,270.06/27,405.27 = 6,423.30/x
  3. Step 3: Cross multiply
    18,270.06x = 27,405.27 × 6,423.30
  4. Step 4: Simplify right side
    18,270.06x = 176,032,270.79
  5. Step 5: Solve for x
    x = 176,032,270.79/18,270.06
  6. Step 6: Final answer
    x = 9,635.01

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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.