Home / 20,004.58-29,969.61-12,510.46

Finding the Fourth Proportional to 20,004.58, 29,969.61 and 12,510.46

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Solution

The fourth proportional to 20,004.58, 29,969.61 and 12,510.46 is: 18,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.58 : 29,969.61 = 12,510.46 : x
  2. Step 2: Convert to fraction form
    20,004.58/29,969.61 = 12,510.46/x
  3. Step 3: Cross multiply
    20,004.58x = 29,969.61 × 12,510.46
  4. Step 4: Simplify right side
    20,004.58x = 374,933,607.12
  5. Step 5: Solve for x
    x = 374,933,607.12/20,004.58
  6. Step 6: Final answer
    x = 18,742.39

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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.