Home / 18,085.95-24,958.58-10,128.17

Finding the Fourth Proportional to 18,085.95, 24,958.58 and 10,128.17

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Solution

The fourth proportional to 18,085.95, 24,958.58 and 10,128.17 is: 13,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.95 : 24,958.58 = 10,128.17 : x
  2. Step 2: Convert to fraction form
    18,085.95/24,958.58 = 10,128.17/x
  3. Step 3: Cross multiply
    18,085.95x = 24,958.58 × 10,128.17
  4. Step 4: Simplify right side
    18,085.95x = 252,784,809.93
  5. Step 5: Solve for x
    x = 252,784,809.93/18,085.95
  6. Step 6: Final answer
    x = 13,976.86

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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.