Home / 14,276.85-21,391.67-4,911.83

Finding the Fourth Proportional to 14,276.85, 21,391.67 and 4,911.83

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Solution

The fourth proportional to 14,276.85, 21,391.67 and 4,911.83 is: 7,359.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.85 : 21,391.67 = 4,911.83 : x
  2. Step 2: Convert to fraction form
    14,276.85/21,391.67 = 4,911.83/x
  3. Step 3: Cross multiply
    14,276.85x = 21,391.67 × 4,911.83
  4. Step 4: Simplify right side
    14,276.85x = 105,072,139.50
  5. Step 5: Solve for x
    x = 105,072,139.50/14,276.85
  6. Step 6: Final answer
    x = 7,359.62

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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.