Home / 19,637.31-29,457.79-7,951.44

Finding the Fourth Proportional to 19,637.31, 29,457.79 and 7,951.44

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Solution

The fourth proportional to 19,637.31, 29,457.79 and 7,951.44 is: 11,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.31 : 29,457.79 = 7,951.44 : x
  2. Step 2: Convert to fraction form
    19,637.31/29,457.79 = 7,951.44/x
  3. Step 3: Cross multiply
    19,637.31x = 29,457.79 × 7,951.44
  4. Step 4: Simplify right side
    19,637.31x = 234,231,829.84
  5. Step 5: Solve for x
    x = 234,231,829.84/19,637.31
  6. Step 6: Final answer
    x = 11,927.90

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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.