Home / 12,849.71-19,253.70-6,601.05

Finding the Fourth Proportional to 12,849.71, 19,253.70 and 6,601.05

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Solution

The fourth proportional to 12,849.71, 19,253.70 and 6,601.05 is: 9,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.71 : 19,253.70 = 6,601.05 : x
  2. Step 2: Convert to fraction form
    12,849.71/19,253.70 = 6,601.05/x
  3. Step 3: Cross multiply
    12,849.71x = 19,253.70 × 6,601.05
  4. Step 4: Simplify right side
    12,849.71x = 127,094,636.39
  5. Step 5: Solve for x
    x = 127,094,636.39/12,849.71
  6. Step 6: Final answer
    x = 9,890.86

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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.