Home / 12,693.39-19,035.96-4,371.36

Finding the Fourth Proportional to 12,693.39, 19,035.96 and 4,371.36

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Solution

The fourth proportional to 12,693.39, 19,035.96 and 4,371.36 is: 6,555.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693.39 : 19,035.96 = 4,371.36 : x
  2. Step 2: Convert to fraction form
    12,693.39/19,035.96 = 4,371.36/x
  3. Step 3: Cross multiply
    12,693.39x = 19,035.96 × 4,371.36
  4. Step 4: Simplify right side
    12,693.39x = 83,213,034.11
  5. Step 5: Solve for x
    x = 83,213,034.11/12,693.39
  6. Step 6: Final answer
    x = 6,555.62

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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.