Home / 12,829.68-17,704.80-7,527.60

Finding the Fourth Proportional to 12,829.68, 17,704.80 and 7,527.60

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Solution

The fourth proportional to 12,829.68, 17,704.80 and 7,527.60 is: 10,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829.68 : 17,704.80 = 7,527.60 : x
  2. Step 2: Convert to fraction form
    12,829.68/17,704.80 = 7,527.60/x
  3. Step 3: Cross multiply
    12,829.68x = 17,704.80 × 7,527.60
  4. Step 4: Simplify right side
    12,829.68x = 133,274,652.48
  5. Step 5: Solve for x
    x = 133,274,652.48/12,829.68
  6. Step 6: Final answer
    x = 10,388.00

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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.