Home / 10,995.54-15,176.64-6,282.60

Finding the Fourth Proportional to 10,995.54, 15,176.64 and 6,282.60

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Solution

The fourth proportional to 10,995.54, 15,176.64 and 6,282.60 is: 8,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.54 : 15,176.64 = 6,282.60 : x
  2. Step 2: Convert to fraction form
    10,995.54/15,176.64 = 6,282.60/x
  3. Step 3: Cross multiply
    10,995.54x = 15,176.64 × 6,282.60
  4. Step 4: Simplify right side
    10,995.54x = 95,348,758.46
  5. Step 5: Solve for x
    x = 95,348,758.46/10,995.54
  6. Step 6: Final answer
    x = 8,671.58

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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.