Home / 11,018.40-16,501.68-8,533.44

Finding the Fourth Proportional to 11,018.40, 16,501.68 and 8,533.44

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Solution

The fourth proportional to 11,018.40, 16,501.68 and 8,533.44 is: 12,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.40 : 16,501.68 = 8,533.44 : x
  2. Step 2: Convert to fraction form
    11,018.40/16,501.68 = 8,533.44/x
  3. Step 3: Cross multiply
    11,018.40x = 16,501.68 × 8,533.44
  4. Step 4: Simplify right side
    11,018.40x = 140,816,096.18
  5. Step 5: Solve for x
    x = 140,816,096.18/11,018.40
  6. Step 6: Final answer
    x = 12,780.09

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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.