Home / 12,997.73-19,493.13-3,637.16

Finding the Fourth Proportional to 12,997.73, 19,493.13 and 3,637.16

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Solution

The fourth proportional to 12,997.73, 19,493.13 and 3,637.16 is: 5,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997.73 : 19,493.13 = 3,637.16 : x
  2. Step 2: Convert to fraction form
    12,997.73/19,493.13 = 3,637.16/x
  3. Step 3: Cross multiply
    12,997.73x = 19,493.13 × 3,637.16
  4. Step 4: Simplify right side
    12,997.73x = 70,899,632.71
  5. Step 5: Solve for x
    x = 70,899,632.71/12,997.73
  6. Step 6: Final answer
    x = 5,454.77

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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.