Home / 18,669.24-28,007.91-5,522.67

Finding the Fourth Proportional to 18,669.24, 28,007.91 and 5,522.67

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Solution

The fourth proportional to 18,669.24, 28,007.91 and 5,522.67 is: 8,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.24 : 28,007.91 = 5,522.67 : x
  2. Step 2: Convert to fraction form
    18,669.24/28,007.91 = 5,522.67/x
  3. Step 3: Cross multiply
    18,669.24x = 28,007.91 × 5,522.67
  4. Step 4: Simplify right side
    18,669.24x = 154,678,444.32
  5. Step 5: Solve for x
    x = 154,678,444.32/18,669.24
  6. Step 6: Final answer
    x = 8,285.20

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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.