Home / 13,393.34-20,090.31-3,533.61

Finding the Fourth Proportional to 13,393.34, 20,090.31 and 3,533.61

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Solution

The fourth proportional to 13,393.34, 20,090.31 and 3,533.61 is: 5,300.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.34 : 20,090.31 = 3,533.61 : x
  2. Step 2: Convert to fraction form
    13,393.34/20,090.31 = 3,533.61/x
  3. Step 3: Cross multiply
    13,393.34x = 20,090.31 × 3,533.61
  4. Step 4: Simplify right side
    13,393.34x = 70,991,320.32
  5. Step 5: Solve for x
    x = 70,991,320.32/13,393.34
  6. Step 6: Final answer
    x = 5,300.49

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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.