Home / 10,367.85-15,533.55-8,508.90

Finding the Fourth Proportional to 10,367.85, 15,533.55 and 8,508.90

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Solution

The fourth proportional to 10,367.85, 15,533.55 and 8,508.90 is: 12,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.85 : 15,533.55 = 8,508.90 : x
  2. Step 2: Convert to fraction form
    10,367.85/15,533.55 = 8,508.90/x
  3. Step 3: Cross multiply
    10,367.85x = 15,533.55 × 8,508.90
  4. Step 4: Simplify right side
    10,367.85x = 132,173,423.60
  5. Step 5: Solve for x
    x = 132,173,423.60/10,367.85
  6. Step 6: Final answer
    x = 12,748.39

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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.