Home / 18,901.54-26,083.11-10,517.50

Finding the Fourth Proportional to 18,901.54, 26,083.11 and 10,517.50

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Solution

The fourth proportional to 18,901.54, 26,083.11 and 10,517.50 is: 14,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901.54 : 26,083.11 = 10,517.50 : x
  2. Step 2: Convert to fraction form
    18,901.54/26,083.11 = 10,517.50/x
  3. Step 3: Cross multiply
    18,901.54x = 26,083.11 × 10,517.50
  4. Step 4: Simplify right side
    18,901.54x = 274,329,109.43
  5. Step 5: Solve for x
    x = 274,329,109.43/18,901.54
  6. Step 6: Final answer
    x = 14,513.59

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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.