Home / 12,943.52-19,411.11-4,176.38

Finding the Fourth Proportional to 12,943.52, 19,411.11 and 4,176.38

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Solution

The fourth proportional to 12,943.52, 19,411.11 and 4,176.38 is: 6,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.52 : 19,411.11 = 4,176.38 : x
  2. Step 2: Convert to fraction form
    12,943.52/19,411.11 = 4,176.38/x
  3. Step 3: Cross multiply
    12,943.52x = 19,411.11 × 4,176.38
  4. Step 4: Simplify right side
    12,943.52x = 81,068,171.58
  5. Step 5: Solve for x
    x = 81,068,171.58/12,943.52
  6. Step 6: Final answer
    x = 6,263.22

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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.