Home / 13,487.73-20,222.02-5,160.73

Finding the Fourth Proportional to 13,487.73, 20,222.02 and 5,160.73

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Solution

The fourth proportional to 13,487.73, 20,222.02 and 5,160.73 is: 7,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.73 : 20,222.02 = 5,160.73 : x
  2. Step 2: Convert to fraction form
    13,487.73/20,222.02 = 5,160.73/x
  3. Step 3: Cross multiply
    13,487.73x = 20,222.02 × 5,160.73
  4. Step 4: Simplify right side
    13,487.73x = 104,360,385.27
  5. Step 5: Solve for x
    x = 104,360,385.27/13,487.73
  6. Step 6: Final answer
    x = 7,737.43

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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.