Home / 13,201.73-18,217.95-7,893.80

Finding the Fourth Proportional to 13,201.73, 18,217.95 and 7,893.80

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Solution

The fourth proportional to 13,201.73, 18,217.95 and 7,893.80 is: 10,893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.73 : 18,217.95 = 7,893.80 : x
  2. Step 2: Convert to fraction form
    13,201.73/18,217.95 = 7,893.80/x
  3. Step 3: Cross multiply
    13,201.73x = 18,217.95 × 7,893.80
  4. Step 4: Simplify right side
    13,201.73x = 143,808,853.71
  5. Step 5: Solve for x
    x = 143,808,853.71/13,201.73
  6. Step 6: Final answer
    x = 10,893.18

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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.