Home / 18,969.35-26,179.15-10,473.11

Finding the Fourth Proportional to 18,969.35, 26,179.15 and 10,473.11

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Solution

The fourth proportional to 18,969.35, 26,179.15 and 10,473.11 is: 14,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969.35 : 26,179.15 = 10,473.11 : x
  2. Step 2: Convert to fraction form
    18,969.35/26,179.15 = 10,473.11/x
  3. Step 3: Cross multiply
    18,969.35x = 26,179.15 × 10,473.11
  4. Step 4: Simplify right side
    18,969.35x = 274,177,004.76
  5. Step 5: Solve for x
    x = 274,177,004.76/18,969.35
  6. Step 6: Final answer
    x = 14,453.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.