Home / 13,617.04-18,792.60-7,650.04

Finding the Fourth Proportional to 13,617.04, 18,792.60 and 7,650.04

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Solution

The fourth proportional to 13,617.04, 18,792.60 and 7,650.04 is: 10,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.04 : 18,792.60 = 7,650.04 : x
  2. Step 2: Convert to fraction form
    13,617.04/18,792.60 = 7,650.04/x
  3. Step 3: Cross multiply
    13,617.04x = 18,792.60 × 7,650.04
  4. Step 4: Simplify right side
    13,617.04x = 143,764,141.70
  5. Step 5: Solve for x
    x = 143,764,141.70/13,617.04
  6. Step 6: Final answer
    x = 10,557.66

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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.