Home / 18,248.34-25,182.88-10,290.78

Finding the Fourth Proportional to 18,248.34, 25,182.88 and 10,290.78

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Solution

The fourth proportional to 18,248.34, 25,182.88 and 10,290.78 is: 14,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.34 : 25,182.88 = 10,290.78 : x
  2. Step 2: Convert to fraction form
    18,248.34/25,182.88 = 10,290.78/x
  3. Step 3: Cross multiply
    18,248.34x = 25,182.88 × 10,290.78
  4. Step 4: Simplify right side
    18,248.34x = 259,151,477.85
  5. Step 5: Solve for x
    x = 259,151,477.85/18,248.34
  6. Step 6: Final answer
    x = 14,201.37

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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.