Home / 10,772.40-16,158.60-6,884.40

Finding the Fourth Proportional to 10,772.40, 16,158.60 and 6,884.40

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Solution

The fourth proportional to 10,772.40, 16,158.60 and 6,884.40 is: 10,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.40 : 16,158.60 = 6,884.40 : x
  2. Step 2: Convert to fraction form
    10,772.40/16,158.60 = 6,884.40/x
  3. Step 3: Cross multiply
    10,772.40x = 16,158.60 × 6,884.40
  4. Step 4: Simplify right side
    10,772.40x = 111,242,265.84
  5. Step 5: Solve for x
    x = 111,242,265.84/10,772.40
  6. Step 6: Final answer
    x = 10,326.60

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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.