Home / 11,228.60-16,846.88-4,988.05

Finding the Fourth Proportional to 11,228.60, 16,846.88 and 4,988.05

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Solution

The fourth proportional to 11,228.60, 16,846.88 and 4,988.05 is: 7,483.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.60 : 16,846.88 = 4,988.05 : x
  2. Step 2: Convert to fraction form
    11,228.60/16,846.88 = 4,988.05/x
  3. Step 3: Cross multiply
    11,228.60x = 16,846.88 × 4,988.05
  4. Step 4: Simplify right side
    11,228.60x = 84,033,012.73
  5. Step 5: Solve for x
    x = 84,033,012.73/11,228.60
  6. Step 6: Final answer
    x = 7,483.84

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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.