Home / 18,084.45-27,126.32-9,780.74

Finding the Fourth Proportional to 18,084.45, 27,126.32 and 9,780.74

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Solution

The fourth proportional to 18,084.45, 27,126.32 and 9,780.74 is: 14,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.45 : 27,126.32 = 9,780.74 : x
  2. Step 2: Convert to fraction form
    18,084.45/27,126.32 = 9,780.74/x
  3. Step 3: Cross multiply
    18,084.45x = 27,126.32 × 9,780.74
  4. Step 4: Simplify right side
    18,084.45x = 265,315,298.54
  5. Step 5: Solve for x
    x = 265,315,298.54/18,084.45
  6. Step 6: Final answer
    x = 14,670.91

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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.