Home / 8,996.78-13,497.09-3,153.74

Finding the Fourth Proportional to 8,996.78, 13,497.09 and 3,153.74

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Solution

The fourth proportional to 8,996.78, 13,497.09 and 3,153.74 is: 4,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.78 : 13,497.09 = 3,153.74 : x
  2. Step 2: Convert to fraction form
    8,996.78/13,497.09 = 3,153.74/x
  3. Step 3: Cross multiply
    8,996.78x = 13,497.09 × 3,153.74
  4. Step 4: Simplify right side
    8,996.78x = 42,566,312.62
  5. Step 5: Solve for x
    x = 42,566,312.62/8,996.78
  6. Step 6: Final answer
    x = 4,731.28

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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.