Home / 12,806.93-17,695.26-9,214.78

Finding the Fourth Proportional to 12,806.93, 17,695.26 and 9,214.78

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Solution

The fourth proportional to 12,806.93, 17,695.26 and 9,214.78 is: 12,732.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806.93 : 17,695.26 = 9,214.78 : x
  2. Step 2: Convert to fraction form
    12,806.93/17,695.26 = 9,214.78/x
  3. Step 3: Cross multiply
    12,806.93x = 17,695.26 × 9,214.78
  4. Step 4: Simplify right side
    12,806.93x = 163,057,927.94
  5. Step 5: Solve for x
    x = 163,057,927.94/12,806.93
  6. Step 6: Final answer
    x = 12,732.01

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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.