Home / 12,880.29-19,329.10-4,560.28

Finding the Fourth Proportional to 12,880.29, 19,329.10 and 4,560.28

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Solution

The fourth proportional to 12,880.29, 19,329.10 and 4,560.28 is: 6,843.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880.29 : 19,329.10 = 4,560.28 : x
  2. Step 2: Convert to fraction form
    12,880.29/19,329.10 = 4,560.28/x
  3. Step 3: Cross multiply
    12,880.29x = 19,329.10 × 4,560.28
  4. Step 4: Simplify right side
    12,880.29x = 88,146,108.15
  5. Step 5: Solve for x
    x = 88,146,108.15/12,880.29
  6. Step 6: Final answer
    x = 6,843.49

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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.