Home / 19,114.20-28,672.38-6,628.86

Finding the Fourth Proportional to 19,114.20, 28,672.38 and 6,628.86

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Solution

The fourth proportional to 19,114.20, 28,672.38 and 6,628.86 is: 9,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.20 : 28,672.38 = 6,628.86 : x
  2. Step 2: Convert to fraction form
    19,114.20/28,672.38 = 6,628.86/x
  3. Step 3: Cross multiply
    19,114.20x = 28,672.38 × 6,628.86
  4. Step 4: Simplify right side
    19,114.20x = 190,065,192.89
  5. Step 5: Solve for x
    x = 190,065,192.89/19,114.20
  6. Step 6: Final answer
    x = 9,943.66

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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.