Home / 12,927.12-19,392.95-6,685.43

Finding the Fourth Proportional to 12,927.12, 19,392.95 and 6,685.43

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Solution

The fourth proportional to 12,927.12, 19,392.95 and 6,685.43 is: 10,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.12 : 19,392.95 = 6,685.43 : x
  2. Step 2: Convert to fraction form
    12,927.12/19,392.95 = 6,685.43/x
  3. Step 3: Cross multiply
    12,927.12x = 19,392.95 × 6,685.43
  4. Step 4: Simplify right side
    12,927.12x = 129,650,209.72
  5. Step 5: Solve for x
    x = 129,650,209.72/12,927.12
  6. Step 6: Final answer
    x = 10,029.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.