Home / 13,744.72-20,617.10-4,980.32

Finding the Fourth Proportional to 13,744.72, 20,617.10 and 4,980.32

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Solution

The fourth proportional to 13,744.72, 20,617.10 and 4,980.32 is: 7,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.72 : 20,617.10 = 4,980.32 : x
  2. Step 2: Convert to fraction form
    13,744.72/20,617.10 = 4,980.32/x
  3. Step 3: Cross multiply
    13,744.72x = 20,617.10 × 4,980.32
  4. Step 4: Simplify right side
    13,744.72x = 102,679,723.48
  5. Step 5: Solve for x
    x = 102,679,723.48/13,744.72
  6. Step 6: Final answer
    x = 7,470.48

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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.