Home / 10,290.92-15,436.37-2,499.72

Finding the Fourth Proportional to 10,290.92, 15,436.37 and 2,499.72

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Solution

The fourth proportional to 10,290.92, 15,436.37 and 2,499.72 is: 3,749.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.92 : 15,436.37 = 2,499.72 : x
  2. Step 2: Convert to fraction form
    10,290.92/15,436.37 = 2,499.72/x
  3. Step 3: Cross multiply
    10,290.92x = 15,436.37 × 2,499.72
  4. Step 4: Simplify right side
    10,290.92x = 38,586,590.32
  5. Step 5: Solve for x
    x = 38,586,590.32/10,290.92
  6. Step 6: Final answer
    x = 3,749.58

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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.