Home / 12,976.95-17,908.20-7,008.63

Finding the Fourth Proportional to 12,976.95, 17,908.20 and 7,008.63

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Solution

The fourth proportional to 12,976.95, 17,908.20 and 7,008.63 is: 9,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976.95 : 17,908.20 = 7,008.63 : x
  2. Step 2: Convert to fraction form
    12,976.95/17,908.20 = 7,008.63/x
  3. Step 3: Cross multiply
    12,976.95x = 17,908.20 × 7,008.63
  4. Step 4: Simplify right side
    12,976.95x = 125,511,880.61
  5. Step 5: Solve for x
    x = 125,511,880.61/12,976.95
  6. Step 6: Final answer
    x = 9,671.91

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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.