Home / 10,150.50-14,007.69-6,170.88

Finding the Fourth Proportional to 10,150.50, 14,007.69 and 6,170.88

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Solution

The fourth proportional to 10,150.50, 14,007.69 and 6,170.88 is: 8,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.50 : 14,007.69 = 6,170.88 : x
  2. Step 2: Convert to fraction form
    10,150.50/14,007.69 = 6,170.88/x
  3. Step 3: Cross multiply
    10,150.50x = 14,007.69 × 6,170.88
  4. Step 4: Simplify right side
    10,150.50x = 86,439,774.07
  5. Step 5: Solve for x
    x = 86,439,774.07/10,150.50
  6. Step 6: Final answer
    x = 8,515.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.