Home / 12,942.04-17,835.30-11,148.95

Finding the Fourth Proportional to 12,942.04, 17,835.30 and 11,148.95

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Solution

The fourth proportional to 12,942.04, 17,835.30 and 11,148.95 is: 15,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.04 : 17,835.30 = 11,148.95 : x
  2. Step 2: Convert to fraction form
    12,942.04/17,835.30 = 11,148.95/x
  3. Step 3: Cross multiply
    12,942.04x = 17,835.30 × 11,148.95
  4. Step 4: Simplify right side
    12,942.04x = 198,844,867.94
  5. Step 5: Solve for x
    x = 198,844,867.94/12,942.04
  6. Step 6: Final answer
    x = 15,364.27

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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.