Home / 18,890.56-26,069.44-10,393

Finding the Fourth Proportional to 18,890.56, 26,069.44 and 10,393

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Solution

The fourth proportional to 18,890.56, 26,069.44 and 10,393 is: 14,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.56 : 26,069.44 = 10,393 : x
  2. Step 2: Convert to fraction form
    18,890.56/26,069.44 = 10,393/x
  3. Step 3: Cross multiply
    18,890.56x = 26,069.44 × 10,393
  4. Step 4: Simplify right side
    18,890.56x = 270,939,689.92
  5. Step 5: Solve for x
    x = 270,939,689.92/18,890.56
  6. Step 6: Final answer
    x = 14,342.60

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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.