Home / 12,983.63-19,463.96-6,316.45

Finding the Fourth Proportional to 12,983.63, 19,463.96 and 6,316.45

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Solution

The fourth proportional to 12,983.63, 19,463.96 and 6,316.45 is: 9,469.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983.63 : 19,463.96 = 6,316.45 : x
  2. Step 2: Convert to fraction form
    12,983.63/19,463.96 = 6,316.45/x
  3. Step 3: Cross multiply
    12,983.63x = 19,463.96 × 6,316.45
  4. Step 4: Simplify right side
    12,983.63x = 122,943,097.27
  5. Step 5: Solve for x
    x = 122,943,097.27/12,983.63
  6. Step 6: Final answer
    x = 9,469.09

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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.