Home / 14,847.57-20,483.82-8,472.47

Finding the Fourth Proportional to 14,847.57, 20,483.82 and 8,472.47

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Solution

The fourth proportional to 14,847.57, 20,483.82 and 8,472.47 is: 11,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.57 : 20,483.82 = 8,472.47 : x
  2. Step 2: Convert to fraction form
    14,847.57/20,483.82 = 8,472.47/x
  3. Step 3: Cross multiply
    14,847.57x = 20,483.82 × 8,472.47
  4. Step 4: Simplify right side
    14,847.57x = 173,548,448.02
  5. Step 5: Solve for x
    x = 173,548,448.02/14,847.57
  6. Step 6: Final answer
    x = 11,688.68

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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.