Home / 18,713.70-28,036.53-10,898.82

Finding the Fourth Proportional to 18,713.70, 28,036.53 and 10,898.82

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Solution

The fourth proportional to 18,713.70, 28,036.53 and 10,898.82 is: 16,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.70 : 28,036.53 = 10,898.82 : x
  2. Step 2: Convert to fraction form
    18,713.70/28,036.53 = 10,898.82/x
  3. Step 3: Cross multiply
    18,713.70x = 28,036.53 × 10,898.82
  4. Step 4: Simplify right side
    18,713.70x = 305,565,093.89
  5. Step 5: Solve for x
    x = 305,565,093.89/18,713.70
  6. Step 6: Final answer
    x = 16,328.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.