Home / 18,017.24-26,981.94-10,202.36

Finding the Fourth Proportional to 18,017.24, 26,981.94 and 10,202.36

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Solution

The fourth proportional to 18,017.24, 26,981.94 and 10,202.36 is: 15,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.24 : 26,981.94 = 10,202.36 : x
  2. Step 2: Convert to fraction form
    18,017.24/26,981.94 = 10,202.36/x
  3. Step 3: Cross multiply
    18,017.24x = 26,981.94 × 10,202.36
  4. Step 4: Simplify right side
    18,017.24x = 275,279,465.38
  5. Step 5: Solve for x
    x = 275,279,465.38/18,017.24
  6. Step 6: Final answer
    x = 15,278.67

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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.