Home / 12,746.35-17,582.84-8,022.43

Finding the Fourth Proportional to 12,746.35, 17,582.84 and 8,022.43

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Solution

The fourth proportional to 12,746.35, 17,582.84 and 8,022.43 is: 11,066.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.35 : 17,582.84 = 8,022.43 : x
  2. Step 2: Convert to fraction form
    12,746.35/17,582.84 = 8,022.43/x
  3. Step 3: Cross multiply
    12,746.35x = 17,582.84 × 8,022.43
  4. Step 4: Simplify right side
    12,746.35x = 141,057,062.99
  5. Step 5: Solve for x
    x = 141,057,062.99/12,746.35
  6. Step 6: Final answer
    x = 11,066.47

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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.