Home / 16,140.80-24,212.40-5,751.20

Finding the Fourth Proportional to 16,140.80, 24,212.40 and 5,751.20

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Solution

The fourth proportional to 16,140.80, 24,212.40 and 5,751.20 is: 8,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.80 : 24,212.40 = 5,751.20 : x
  2. Step 2: Convert to fraction form
    16,140.80/24,212.40 = 5,751.20/x
  3. Step 3: Cross multiply
    16,140.80x = 24,212.40 × 5,751.20
  4. Step 4: Simplify right side
    16,140.80x = 139,250,354.88
  5. Step 5: Solve for x
    x = 139,250,354.88/16,140.80
  6. Step 6: Final answer
    x = 8,627.23

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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.