Home / 18,954.46-26,161.95-10,995.67

Finding the Fourth Proportional to 18,954.46, 26,161.95 and 10,995.67

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Solution

The fourth proportional to 18,954.46, 26,161.95 and 10,995.67 is: 15,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.46 : 26,161.95 = 10,995.67 : x
  2. Step 2: Convert to fraction form
    18,954.46/26,161.95 = 10,995.67/x
  3. Step 3: Cross multiply
    18,954.46x = 26,161.95 × 10,995.67
  4. Step 4: Simplify right side
    18,954.46x = 287,668,168.76
  5. Step 5: Solve for x
    x = 287,668,168.76/18,954.46
  6. Step 6: Final answer
    x = 15,176.81

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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.