Home / 14,651.56-20,219.42-7,937.47

Finding the Fourth Proportional to 14,651.56, 20,219.42 and 7,937.47

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Solution

The fourth proportional to 14,651.56, 20,219.42 and 7,937.47 is: 10,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.56 : 20,219.42 = 7,937.47 : x
  2. Step 2: Convert to fraction form
    14,651.56/20,219.42 = 7,937.47/x
  3. Step 3: Cross multiply
    14,651.56x = 20,219.42 × 7,937.47
  4. Step 4: Simplify right side
    14,651.56x = 160,491,039.67
  5. Step 5: Solve for x
    x = 160,491,039.67/14,651.56
  6. Step 6: Final answer
    x = 10,953.85

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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.