Home / 12,635.39-18,947.58-6,710.98

Finding the Fourth Proportional to 12,635.39, 18,947.58 and 6,710.98

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Solution

The fourth proportional to 12,635.39, 18,947.58 and 6,710.98 is: 10,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.39 : 18,947.58 = 6,710.98 : x
  2. Step 2: Convert to fraction form
    12,635.39/18,947.58 = 6,710.98/x
  3. Step 3: Cross multiply
    12,635.39x = 18,947.58 × 6,710.98
  4. Step 4: Simplify right side
    12,635.39x = 127,156,830.43
  5. Step 5: Solve for x
    x = 127,156,830.43/12,635.39
  6. Step 6: Final answer
    x = 10,063.55

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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.