Home / 10,108.32-15,153.84-3,956.64

Finding the Fourth Proportional to 10,108.32, 15,153.84 and 3,956.64

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Solution

The fourth proportional to 10,108.32, 15,153.84 and 3,956.64 is: 5,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.32 : 15,153.84 = 3,956.64 : x
  2. Step 2: Convert to fraction form
    10,108.32/15,153.84 = 3,956.64/x
  3. Step 3: Cross multiply
    10,108.32x = 15,153.84 × 3,956.64
  4. Step 4: Simplify right side
    10,108.32x = 59,958,289.50
  5. Step 5: Solve for x
    x = 59,958,289.50/10,108.32
  6. Step 6: Final answer
    x = 5,931.58

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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.