Home / 13,043.71-18,000.39-10,054

Finding the Fourth Proportional to 13,043.71, 18,000.39 and 10,054

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Solution

The fourth proportional to 13,043.71, 18,000.39 and 10,054 is: 13,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.71 : 18,000.39 = 10,054 : x
  2. Step 2: Convert to fraction form
    13,043.71/18,000.39 = 10,054/x
  3. Step 3: Cross multiply
    13,043.71x = 18,000.39 × 10,054
  4. Step 4: Simplify right side
    13,043.71x = 180,975,921.06
  5. Step 5: Solve for x
    x = 180,975,921.06/13,043.71
  6. Step 6: Final answer
    x = 13,874.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.