Home / 18,234.84-27,350.10-6,386.70

Finding the Fourth Proportional to 18,234.84, 27,350.10 and 6,386.70

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Solution

The fourth proportional to 18,234.84, 27,350.10 and 6,386.70 is: 9,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.84 : 27,350.10 = 6,386.70 : x
  2. Step 2: Convert to fraction form
    18,234.84/27,350.10 = 6,386.70/x
  3. Step 3: Cross multiply
    18,234.84x = 27,350.10 × 6,386.70
  4. Step 4: Simplify right side
    18,234.84x = 174,676,883.67
  5. Step 5: Solve for x
    x = 174,676,883.67/18,234.84
  6. Step 6: Final answer
    x = 9,579.29

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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.