Home / 14,509.89-21,766.77-7,114.59

Finding the Fourth Proportional to 14,509.89, 21,766.77 and 7,114.59

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Solution

The fourth proportional to 14,509.89, 21,766.77 and 7,114.59 is: 10,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.89 : 21,766.77 = 7,114.59 : x
  2. Step 2: Convert to fraction form
    14,509.89/21,766.77 = 7,114.59/x
  3. Step 3: Cross multiply
    14,509.89x = 21,766.77 × 7,114.59
  4. Step 4: Simplify right side
    14,509.89x = 154,861,644.17
  5. Step 5: Solve for x
    x = 154,861,644.17/14,509.89
  6. Step 6: Final answer
    x = 10,672.83

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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.