Home / 19,776.15-29,664.23-6,637.75

Finding the Fourth Proportional to 19,776.15, 29,664.23 and 6,637.75

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Solution

The fourth proportional to 19,776.15, 29,664.23 and 6,637.75 is: 9,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.15 : 29,664.23 = 6,637.75 : x
  2. Step 2: Convert to fraction form
    19,776.15/29,664.23 = 6,637.75/x
  3. Step 3: Cross multiply
    19,776.15x = 29,664.23 × 6,637.75
  4. Step 4: Simplify right side
    19,776.15x = 196,903,635.33
  5. Step 5: Solve for x
    x = 196,903,635.33/19,776.15
  6. Step 6: Final answer
    x = 9,956.62

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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.