Home / 10,952.62-15,114.36-6,172.80

Finding the Fourth Proportional to 10,952.62, 15,114.36 and 6,172.80

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Solution

The fourth proportional to 10,952.62, 15,114.36 and 6,172.80 is: 8,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.62 : 15,114.36 = 6,172.80 : x
  2. Step 2: Convert to fraction form
    10,952.62/15,114.36 = 6,172.80/x
  3. Step 3: Cross multiply
    10,952.62x = 15,114.36 × 6,172.80
  4. Step 4: Simplify right side
    10,952.62x = 93,297,921.41
  5. Step 5: Solve for x
    x = 93,297,921.41/10,952.62
  6. Step 6: Final answer
    x = 8,518.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.