Home / 12,673.24-19,008.64-3,905.80

Finding the Fourth Proportional to 12,673.24, 19,008.64 and 3,905.80

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Solution

The fourth proportional to 12,673.24, 19,008.64 and 3,905.80 is: 5,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.24 : 19,008.64 = 3,905.80 : x
  2. Step 2: Convert to fraction form
    12,673.24/19,008.64 = 3,905.80/x
  3. Step 3: Cross multiply
    12,673.24x = 19,008.64 × 3,905.80
  4. Step 4: Simplify right side
    12,673.24x = 74,243,946.11
  5. Step 5: Solve for x
    x = 74,243,946.11/12,673.24
  6. Step 6: Final answer
    x = 5,858.32

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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.