Home / 10,877.60-16,319.10-3,086.40

Finding the Fourth Proportional to 10,877.60, 16,319.10 and 3,086.40

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Solution

The fourth proportional to 10,877.60, 16,319.10 and 3,086.40 is: 4,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.60 : 16,319.10 = 3,086.40 : x
  2. Step 2: Convert to fraction form
    10,877.60/16,319.10 = 3,086.40/x
  3. Step 3: Cross multiply
    10,877.60x = 16,319.10 × 3,086.40
  4. Step 4: Simplify right side
    10,877.60x = 50,367,270.24
  5. Step 5: Solve for x
    x = 50,367,270.24/10,877.60
  6. Step 6: Final answer
    x = 4,630.37

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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.