Home / 15,436.55-23,154.86-3,749.78

Finding the Fourth Proportional to 15,436.55, 23,154.86 and 3,749.78

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Solution

The fourth proportional to 15,436.55, 23,154.86 and 3,749.78 is: 5,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.55 : 23,154.86 = 3,749.78 : x
  2. Step 2: Convert to fraction form
    15,436.55/23,154.86 = 3,749.78/x
  3. Step 3: Cross multiply
    15,436.55x = 23,154.86 × 3,749.78
  4. Step 4: Simplify right side
    15,436.55x = 86,825,698.19
  5. Step 5: Solve for x
    x = 86,825,698.19/15,436.55
  6. Step 6: Final answer
    x = 5,624.68

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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.