Home / 18,003.78-24,845.67-10,045.98

Finding the Fourth Proportional to 18,003.78, 24,845.67 and 10,045.98

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Solution

The fourth proportional to 18,003.78, 24,845.67 and 10,045.98 is: 13,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.78 : 24,845.67 = 10,045.98 : x
  2. Step 2: Convert to fraction form
    18,003.78/24,845.67 = 10,045.98/x
  3. Step 3: Cross multiply
    18,003.78x = 24,845.67 × 10,045.98
  4. Step 4: Simplify right side
    18,003.78x = 249,599,103.91
  5. Step 5: Solve for x
    x = 249,599,103.91/18,003.78
  6. Step 6: Final answer
    x = 13,863.71

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1.5x scale

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.