Home / 13,487.02-20,217.46-5,160.62

Finding the Fourth Proportional to 13,487.02, 20,217.46 and 5,160.62

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Solution

The fourth proportional to 13,487.02, 20,217.46 and 5,160.62 is: 7,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.02 : 20,217.46 = 5,160.62 : x
  2. Step 2: Convert to fraction form
    13,487.02/20,217.46 = 5,160.62/x
  3. Step 3: Cross multiply
    13,487.02x = 20,217.46 × 5,160.62
  4. Step 4: Simplify right side
    13,487.02x = 104,334,628.43
  5. Step 5: Solve for x
    x = 104,334,628.43/13,487.02
  6. Step 6: Final answer
    x = 7,735.93

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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.