Home / 14,688.93-20,270.41-7,974.44

Finding the Fourth Proportional to 14,688.93, 20,270.41 and 7,974.44

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Solution

The fourth proportional to 14,688.93, 20,270.41 and 7,974.44 is: 11,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.93 : 20,270.41 = 7,974.44 : x
  2. Step 2: Convert to fraction form
    14,688.93/20,270.41 = 7,974.44/x
  3. Step 3: Cross multiply
    14,688.93x = 20,270.41 × 7,974.44
  4. Step 4: Simplify right side
    14,688.93x = 161,645,168.32
  5. Step 5: Solve for x
    x = 161,645,168.32/14,688.93
  6. Step 6: Final answer
    x = 11,004.56

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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.