Home / 8,923.20-13,368.60-7,270.80

Finding the Fourth Proportional to 8,923.20, 13,368.60 and 7,270.80

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Solution

The fourth proportional to 8,923.20, 13,368.60 and 7,270.80 is: 10,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.20 : 13,368.60 = 7,270.80 : x
  2. Step 2: Convert to fraction form
    8,923.20/13,368.60 = 7,270.80/x
  3. Step 3: Cross multiply
    8,923.20x = 13,368.60 × 7,270.80
  4. Step 4: Simplify right side
    8,923.20x = 97,200,416.88
  5. Step 5: Solve for x
    x = 97,200,416.88/8,923.20
  6. Step 6: Final answer
    x = 10,893.00

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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.