Home / 10,651.20-14,692.32-8,289.60

Finding the Fourth Proportional to 10,651.20, 14,692.32 and 8,289.60

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Solution

The fourth proportional to 10,651.20, 14,692.32 and 8,289.60 is: 11,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.20 : 14,692.32 = 8,289.60 : x
  2. Step 2: Convert to fraction form
    10,651.20/14,692.32 = 8,289.60/x
  3. Step 3: Cross multiply
    10,651.20x = 14,692.32 × 8,289.60
  4. Step 4: Simplify right side
    10,651.20x = 121,793,455.87
  5. Step 5: Solve for x
    x = 121,793,455.87/10,651.20
  6. Step 6: Final answer
    x = 11,434.72

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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.