Home / 11,021.90-16,496.40-9,709.70

Finding the Fourth Proportional to 11,021.90, 16,496.40 and 9,709.70

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Solution

The fourth proportional to 11,021.90, 16,496.40 and 9,709.70 is: 14,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.90 : 16,496.40 = 9,709.70 : x
  2. Step 2: Convert to fraction form
    11,021.90/16,496.40 = 9,709.70/x
  3. Step 3: Cross multiply
    11,021.90x = 16,496.40 × 9,709.70
  4. Step 4: Simplify right side
    11,021.90x = 160,175,095.08
  5. Step 5: Solve for x
    x = 160,175,095.08/11,021.90
  6. Step 6: Final answer
    x = 14,532.44

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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.