Home / 12,932.40-17,851.20-7,626.84

Finding the Fourth Proportional to 12,932.40, 17,851.20 and 7,626.84

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Solution

The fourth proportional to 12,932.40, 17,851.20 and 7,626.84 is: 10,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.40 : 17,851.20 = 7,626.84 : x
  2. Step 2: Convert to fraction form
    12,932.40/17,851.20 = 7,626.84/x
  3. Step 3: Cross multiply
    12,932.40x = 17,851.20 × 7,626.84
  4. Step 4: Simplify right side
    12,932.40x = 136,148,246.21
  5. Step 5: Solve for x
    x = 136,148,246.21/12,932.40
  6. Step 6: Final answer
    x = 10,527.69

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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.