Home / 15,477.40-23,183.70-8,543.80

Finding the Fourth Proportional to 15,477.40, 23,183.70 and 8,543.80

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Solution

The fourth proportional to 15,477.40, 23,183.70 and 8,543.80 is: 12,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477.40 : 23,183.70 = 8,543.80 : x
  2. Step 2: Convert to fraction form
    15,477.40/23,183.70 = 8,543.80/x
  3. Step 3: Cross multiply
    15,477.40x = 23,183.70 × 8,543.80
  4. Step 4: Simplify right side
    15,477.40x = 198,076,896.06
  5. Step 5: Solve for x
    x = 198,076,896.06/15,477.40
  6. Step 6: Final answer
    x = 12,797.81

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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.