Home / 45,214.06-67,813.34-11,934.48

Finding the Fourth Proportional to 45,214.06, 67,813.34 and 11,934.48

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Solution

The fourth proportional to 45,214.06, 67,813.34 and 11,934.48 is: 17,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,214.06 : 67,813.34 = 11,934.48 : x
  2. Step 2: Convert to fraction form
    45,214.06/67,813.34 = 11,934.48/x
  3. Step 3: Cross multiply
    45,214.06x = 67,813.34 × 11,934.48
  4. Step 4: Simplify right side
    45,214.06x = 809,316,949.96
  5. Step 5: Solve for x
    x = 809,316,949.96/45,214.06
  6. Step 6: Final answer
    x = 17,899.67

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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.