Home / 8,899.20-13,332.60-7,246.80

Finding the Fourth Proportional to 8,899.20, 13,332.60 and 7,246.80

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Solution

The fourth proportional to 8,899.20, 13,332.60 and 7,246.80 is: 10,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.20 : 13,332.60 = 7,246.80 : x
  2. Step 2: Convert to fraction form
    8,899.20/13,332.60 = 7,246.80/x
  3. Step 3: Cross multiply
    8,899.20x = 13,332.60 × 7,246.80
  4. Step 4: Simplify right side
    8,899.20x = 96,618,685.68
  5. Step 5: Solve for x
    x = 96,618,685.68/8,899.20
  6. Step 6: Final answer
    x = 10,857.01

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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.