Home / 12,357.50-17,053.35-6,768.62

Finding the Fourth Proportional to 12,357.50, 17,053.35 and 6,768.62

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Solution

The fourth proportional to 12,357.50, 17,053.35 and 6,768.62 is: 9,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.50 : 17,053.35 = 6,768.62 : x
  2. Step 2: Convert to fraction form
    12,357.50/17,053.35 = 6,768.62/x
  3. Step 3: Cross multiply
    12,357.50x = 17,053.35 × 6,768.62
  4. Step 4: Simplify right side
    12,357.50x = 115,427,645.88
  5. Step 5: Solve for x
    x = 115,427,645.88/12,357.50
  6. Step 6: Final answer
    x = 9,340.70

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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.