Home / 18,106.92-27,143.34-9,774.45

Finding the Fourth Proportional to 18,106.92, 27,143.34 and 9,774.45

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Solution

The fourth proportional to 18,106.92, 27,143.34 and 9,774.45 is: 14,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.92 : 27,143.34 = 9,774.45 : x
  2. Step 2: Convert to fraction form
    18,106.92/27,143.34 = 9,774.45/x
  3. Step 3: Cross multiply
    18,106.92x = 27,143.34 × 9,774.45
  4. Step 4: Simplify right side
    18,106.92x = 265,311,219.66
  5. Step 5: Solve for x
    x = 265,311,219.66/18,106.92
  6. Step 6: Final answer
    x = 14,652.48

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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.