Home / 16,669.60-25,004.40-13,751.20

Finding the Fourth Proportional to 16,669.60, 25,004.40 and 13,751.20

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Solution

The fourth proportional to 16,669.60, 25,004.40 and 13,751.20 is: 20,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,669.60 : 25,004.40 = 13,751.20 : x
  2. Step 2: Convert to fraction form
    16,669.60/25,004.40 = 13,751.20/x
  3. Step 3: Cross multiply
    16,669.60x = 25,004.40 × 13,751.20
  4. Step 4: Simplify right side
    16,669.60x = 343,840,505.28
  5. Step 5: Solve for x
    x = 343,840,505.28/16,669.60
  6. Step 6: Final answer
    x = 20,626.80

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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.