Home / 12,618.54-17,414.35-6,953.28

Finding the Fourth Proportional to 12,618.54, 17,414.35 and 6,953.28

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Solution

The fourth proportional to 12,618.54, 17,414.35 and 6,953.28 is: 9,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618.54 : 17,414.35 = 6,953.28 : x
  2. Step 2: Convert to fraction form
    12,618.54/17,414.35 = 6,953.28/x
  3. Step 3: Cross multiply
    12,618.54x = 17,414.35 × 6,953.28
  4. Step 4: Simplify right side
    12,618.54x = 121,086,946.34
  5. Step 5: Solve for x
    x = 121,086,946.34/12,618.54
  6. Step 6: Final answer
    x = 9,595.95

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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.