Home / 12,829.20-19,213.20-6,234.18

Finding the Fourth Proportional to 12,829.20, 19,213.20 and 6,234.18

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Solution

The fourth proportional to 12,829.20, 19,213.20 and 6,234.18 is: 9,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829.20 : 19,213.20 = 6,234.18 : x
  2. Step 2: Convert to fraction form
    12,829.20/19,213.20 = 6,234.18/x
  3. Step 3: Cross multiply
    12,829.20x = 19,213.20 × 6,234.18
  4. Step 4: Simplify right side
    12,829.20x = 119,778,547.18
  5. Step 5: Solve for x
    x = 119,778,547.18/12,829.20
  6. Step 6: Final answer
    x = 9,336.40

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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.