Home / 11,011.40-16,480.65-8,532.80

Finding the Fourth Proportional to 11,011.40, 16,480.65 and 8,532.80

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Solution

The fourth proportional to 11,011.40, 16,480.65 and 8,532.80 is: 12,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.40 : 16,480.65 = 8,532.80 : x
  2. Step 2: Convert to fraction form
    11,011.40/16,480.65 = 8,532.80/x
  3. Step 3: Cross multiply
    11,011.40x = 16,480.65 × 8,532.80
  4. Step 4: Simplify right side
    11,011.40x = 140,626,090.32
  5. Step 5: Solve for x
    x = 140,626,090.32/11,011.40
  6. Step 6: Final answer
    x = 12,770.95

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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.