Home / 13,622.74-18,799.32-7,572.94

Finding the Fourth Proportional to 13,622.74, 18,799.32 and 7,572.94

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Solution

The fourth proportional to 13,622.74, 18,799.32 and 7,572.94 is: 10,450.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.74 : 18,799.32 = 7,572.94 : x
  2. Step 2: Convert to fraction form
    13,622.74/18,799.32 = 7,572.94/x
  3. Step 3: Cross multiply
    13,622.74x = 18,799.32 × 7,572.94
  4. Step 4: Simplify right side
    13,622.74x = 142,366,122.40
  5. Step 5: Solve for x
    x = 142,366,122.40/13,622.74
  6. Step 6: Final answer
    x = 10,450.62

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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.