Home / 12,835.96-17,708.64-7,528.84

Finding the Fourth Proportional to 12,835.96, 17,708.64 and 7,528.84

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Solution

The fourth proportional to 12,835.96, 17,708.64 and 7,528.84 is: 10,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.96 : 17,708.64 = 7,528.84 : x
  2. Step 2: Convert to fraction form
    12,835.96/17,708.64 = 7,528.84/x
  3. Step 3: Cross multiply
    12,835.96x = 17,708.64 × 7,528.84
  4. Step 4: Simplify right side
    12,835.96x = 133,325,517.18
  5. Step 5: Solve for x
    x = 133,325,517.18/12,835.96
  6. Step 6: Final answer
    x = 10,386.88

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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.