Home / 11,068.64-16,590.96-5,450.20

Finding the Fourth Proportional to 11,068.64, 16,590.96 and 5,450.20

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Solution

The fourth proportional to 11,068.64, 16,590.96 and 5,450.20 is: 8,169.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.64 : 16,590.96 = 5,450.20 : x
  2. Step 2: Convert to fraction form
    11,068.64/16,590.96 = 5,450.20/x
  3. Step 3: Cross multiply
    11,068.64x = 16,590.96 × 5,450.20
  4. Step 4: Simplify right side
    11,068.64x = 90,424,050.19
  5. Step 5: Solve for x
    x = 90,424,050.19/11,068.64
  6. Step 6: Final answer
    x = 8,169.39

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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.