Home / 14,847.47-20,489.61-8,133.71

Finding the Fourth Proportional to 14,847.47, 20,489.61 and 8,133.71

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Solution

The fourth proportional to 14,847.47, 20,489.61 and 8,133.71 is: 11,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.47 : 20,489.61 = 8,133.71 : x
  2. Step 2: Convert to fraction form
    14,847.47/20,489.61 = 8,133.71/x
  3. Step 3: Cross multiply
    14,847.47x = 20,489.61 × 8,133.71
  4. Step 4: Simplify right side
    14,847.47x = 166,656,545.75
  5. Step 5: Solve for x
    x = 166,656,545.75/14,847.47
  6. Step 6: Final answer
    x = 11,224.58

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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.