Home / 14,220.20-19,627.50-8,483.84

Finding the Fourth Proportional to 14,220.20, 19,627.50 and 8,483.84

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Solution

The fourth proportional to 14,220.20, 19,627.50 and 8,483.84 is: 11,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.20 : 19,627.50 = 8,483.84 : x
  2. Step 2: Convert to fraction form
    14,220.20/19,627.50 = 8,483.84/x
  3. Step 3: Cross multiply
    14,220.20x = 19,627.50 × 8,483.84
  4. Step 4: Simplify right side
    14,220.20x = 166,516,569.60
  5. Step 5: Solve for x
    x = 166,516,569.60/14,220.20
  6. Step 6: Final answer
    x = 11,709.86

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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.