Home / 15,022.87-22,512.39-8,450.89

Finding the Fourth Proportional to 15,022.87, 22,512.39 and 8,450.89

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Solution

The fourth proportional to 15,022.87, 22,512.39 and 8,450.89 is: 12,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,022.87 : 22,512.39 = 8,450.89 : x
  2. Step 2: Convert to fraction form
    15,022.87/22,512.39 = 8,450.89/x
  3. Step 3: Cross multiply
    15,022.87x = 22,512.39 × 8,450.89
  4. Step 4: Simplify right side
    15,022.87x = 190,249,731.53
  5. Step 5: Solve for x
    x = 190,249,731.53/15,022.87
  6. Step 6: Final answer
    x = 12,664.01

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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.