Home / 15,429.21-23,144.72-4,336.76

Finding the Fourth Proportional to 15,429.21, 23,144.72 and 4,336.76

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Solution

The fourth proportional to 15,429.21, 23,144.72 and 4,336.76 is: 6,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.21 : 23,144.72 = 4,336.76 : x
  2. Step 2: Convert to fraction form
    15,429.21/23,144.72 = 4,336.76/x
  3. Step 3: Cross multiply
    15,429.21x = 23,144.72 × 4,336.76
  4. Step 4: Simplify right side
    15,429.21x = 100,373,132.09
  5. Step 5: Solve for x
    x = 100,373,132.09/15,429.21
  6. Step 6: Final answer
    x = 6,505.40

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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.