Home / 13,460.31-20,189.04-3,600.58

Finding the Fourth Proportional to 13,460.31, 20,189.04 and 3,600.58

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Solution

The fourth proportional to 13,460.31, 20,189.04 and 3,600.58 is: 5,400.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.31 : 20,189.04 = 3,600.58 : x
  2. Step 2: Convert to fraction form
    13,460.31/20,189.04 = 3,600.58/x
  3. Step 3: Cross multiply
    13,460.31x = 20,189.04 × 3,600.58
  4. Step 4: Simplify right side
    13,460.31x = 72,692,253.64
  5. Step 5: Solve for x
    x = 72,692,253.64/13,460.31
  6. Step 6: Final answer
    x = 5,400.49

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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.