Home / 8,954.20-13,415.10-7,301.80

Finding the Fourth Proportional to 8,954.20, 13,415.10 and 7,301.80

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Solution

The fourth proportional to 8,954.20, 13,415.10 and 7,301.80 is: 10,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.20 : 13,415.10 = 7,301.80 : x
  2. Step 2: Convert to fraction form
    8,954.20/13,415.10 = 7,301.80/x
  3. Step 3: Cross multiply
    8,954.20x = 13,415.10 × 7,301.80
  4. Step 4: Simplify right side
    8,954.20x = 97,954,377.18
  5. Step 5: Solve for x
    x = 97,954,377.18/8,954.20
  6. Step 6: Final answer
    x = 10,939.49

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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.