Home / 10,291.04-15,436.55-2,499.84

Finding the Fourth Proportional to 10,291.04, 15,436.55 and 2,499.84

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Solution

The fourth proportional to 10,291.04, 15,436.55 and 2,499.84 is: 3,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.04 : 15,436.55 = 2,499.84 : x
  2. Step 2: Convert to fraction form
    10,291.04/15,436.55 = 2,499.84/x
  3. Step 3: Cross multiply
    10,291.04x = 15,436.55 × 2,499.84
  4. Step 4: Simplify right side
    10,291.04x = 38,588,892.65
  5. Step 5: Solve for x
    x = 38,588,892.65/10,291.04
  6. Step 6: Final answer
    x = 3,749.76

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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.