Home / 13,092.78-19,636.40-4,325.70

Finding the Fourth Proportional to 13,092.78, 19,636.40 and 4,325.70

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Solution

The fourth proportional to 13,092.78, 19,636.40 and 4,325.70 is: 6,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.78 : 19,636.40 = 4,325.70 : x
  2. Step 2: Convert to fraction form
    13,092.78/19,636.40 = 4,325.70/x
  3. Step 3: Cross multiply
    13,092.78x = 19,636.40 × 4,325.70
  4. Step 4: Simplify right side
    13,092.78x = 84,941,175.48
  5. Step 5: Solve for x
    x = 84,941,175.48/13,092.78
  6. Step 6: Final answer
    x = 6,487.63

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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.