Home / 18,788.23-25,927.76-10,290.88

Finding the Fourth Proportional to 18,788.23, 25,927.76 and 10,290.88

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Solution

The fourth proportional to 18,788.23, 25,927.76 and 10,290.88 is: 14,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.23 : 25,927.76 = 10,290.88 : x
  2. Step 2: Convert to fraction form
    18,788.23/25,927.76 = 10,290.88/x
  3. Step 3: Cross multiply
    18,788.23x = 25,927.76 × 10,290.88
  4. Step 4: Simplify right side
    18,788.23x = 266,819,466.83
  5. Step 5: Solve for x
    x = 266,819,466.83/18,788.23
  6. Step 6: Final answer
    x = 14,201.42

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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.