Home / 18,887.95-26,063.77-10,930.69

Finding the Fourth Proportional to 18,887.95, 26,063.77 and 10,930.69

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Solution

The fourth proportional to 18,887.95, 26,063.77 and 10,930.69 is: 15,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.95 : 26,063.77 = 10,930.69 : x
  2. Step 2: Convert to fraction form
    18,887.95/26,063.77 = 10,930.69/x
  3. Step 3: Cross multiply
    18,887.95x = 26,063.77 × 10,930.69
  4. Step 4: Simplify right side
    18,887.95x = 284,894,990.10
  5. Step 5: Solve for x
    x = 284,894,990.10/18,887.95
  6. Step 6: Final answer
    x = 15,083.43

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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.