Home / 14,155.90-21,234.32-6,364.73

Finding the Fourth Proportional to 14,155.90, 21,234.32 and 6,364.73

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Solution

The fourth proportional to 14,155.90, 21,234.32 and 6,364.73 is: 9,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.90 : 21,234.32 = 6,364.73 : x
  2. Step 2: Convert to fraction form
    14,155.90/21,234.32 = 6,364.73/x
  3. Step 3: Cross multiply
    14,155.90x = 21,234.32 × 6,364.73
  4. Step 4: Simplify right side
    14,155.90x = 135,150,713.53
  5. Step 5: Solve for x
    x = 135,150,713.53/14,155.90
  6. Step 6: Final answer
    x = 9,547.31

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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.