Home / 13,752.56-20,628.93-3,364.31

Finding the Fourth Proportional to 13,752.56, 20,628.93 and 3,364.31

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Solution

The fourth proportional to 13,752.56, 20,628.93 and 3,364.31 is: 5,046.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.56 : 20,628.93 = 3,364.31 : x
  2. Step 2: Convert to fraction form
    13,752.56/20,628.93 = 3,364.31/x
  3. Step 3: Cross multiply
    13,752.56x = 20,628.93 × 3,364.31
  4. Step 4: Simplify right side
    13,752.56x = 69,402,115.49
  5. Step 5: Solve for x
    x = 69,402,115.49/13,752.56
  6. Step 6: Final answer
    x = 5,046.49

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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.