Home / 14,411.08-21,616.62-11,128.96

Finding the Fourth Proportional to 14,411.08, 21,616.62 and 11,128.96

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Solution

The fourth proportional to 14,411.08, 21,616.62 and 11,128.96 is: 16,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,411.08 : 21,616.62 = 11,128.96 : x
  2. Step 2: Convert to fraction form
    14,411.08/21,616.62 = 11,128.96/x
  3. Step 3: Cross multiply
    14,411.08x = 21,616.62 × 11,128.96
  4. Step 4: Simplify right side
    14,411.08x = 240,570,499.32
  5. Step 5: Solve for x
    x = 240,570,499.32/14,411.08
  6. Step 6: Final answer
    x = 16,693.44

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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.