Home / 13,056.80-19,593.60-7,217.60

Finding the Fourth Proportional to 13,056.80, 19,593.60 and 7,217.60

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Solution

The fourth proportional to 13,056.80, 19,593.60 and 7,217.60 is: 10,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.80 : 19,593.60 = 7,217.60 : x
  2. Step 2: Convert to fraction form
    13,056.80/19,593.60 = 7,217.60/x
  3. Step 3: Cross multiply
    13,056.80x = 19,593.60 × 7,217.60
  4. Step 4: Simplify right side
    13,056.80x = 141,418,767.36
  5. Step 5: Solve for x
    x = 141,418,767.36/13,056.80
  6. Step 6: Final answer
    x = 10,831.04

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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.