Home / 18,121.13-25,007.22-10,572.67

Finding the Fourth Proportional to 18,121.13, 25,007.22 and 10,572.67

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Solution

The fourth proportional to 18,121.13, 25,007.22 and 10,572.67 is: 14,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121.13 : 25,007.22 = 10,572.67 : x
  2. Step 2: Convert to fraction form
    18,121.13/25,007.22 = 10,572.67/x
  3. Step 3: Cross multiply
    18,121.13x = 25,007.22 × 10,572.67
  4. Step 4: Simplify right side
    18,121.13x = 264,393,022.16
  5. Step 5: Solve for x
    x = 264,393,022.16/18,121.13
  6. Step 6: Final answer
    x = 14,590.32

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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.