Home / 12,760.30-17,622.66-11,368.82

Finding the Fourth Proportional to 12,760.30, 17,622.66 and 11,368.82

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Solution

The fourth proportional to 12,760.30, 17,622.66 and 11,368.82 is: 15,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.30 : 17,622.66 = 11,368.82 : x
  2. Step 2: Convert to fraction form
    12,760.30/17,622.66 = 11,368.82/x
  3. Step 3: Cross multiply
    12,760.30x = 17,622.66 × 11,368.82
  4. Step 4: Simplify right side
    12,760.30x = 200,348,751.76
  5. Step 5: Solve for x
    x = 200,348,751.76/12,760.30
  6. Step 6: Final answer
    x = 15,700.95

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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.