Home / 18,890.92-26,069.82-10,393.36

Finding the Fourth Proportional to 18,890.92, 26,069.82 and 10,393.36

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Solution

The fourth proportional to 18,890.92, 26,069.82 and 10,393.36 is: 14,343.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.92 : 26,069.82 = 10,393.36 : x
  2. Step 2: Convert to fraction form
    18,890.92/26,069.82 = 10,393.36/x
  3. Step 3: Cross multiply
    18,890.92x = 26,069.82 × 10,393.36
  4. Step 4: Simplify right side
    18,890.92x = 270,953,024.40
  5. Step 5: Solve for x
    x = 270,953,024.40/18,890.92
  6. Step 6: Final answer
    x = 14,343.03

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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.