Home / 14,911.50-20,577.87-8,624.28

Finding the Fourth Proportional to 14,911.50, 20,577.87 and 8,624.28

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Solution

The fourth proportional to 14,911.50, 20,577.87 and 8,624.28 is: 11,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.50 : 20,577.87 = 8,624.28 : x
  2. Step 2: Convert to fraction form
    14,911.50/20,577.87 = 8,624.28/x
  3. Step 3: Cross multiply
    14,911.50x = 20,577.87 × 8,624.28
  4. Step 4: Simplify right side
    14,911.50x = 177,469,312.68
  5. Step 5: Solve for x
    x = 177,469,312.68/14,911.50
  6. Step 6: Final answer
    x = 11,901.51

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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.