Home / 19,473.72-29,224.66-7,790.20

Finding the Fourth Proportional to 19,473.72, 29,224.66 and 7,790.20

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Solution

The fourth proportional to 19,473.72, 29,224.66 and 7,790.20 is: 11,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,473.72 : 29,224.66 = 7,790.20 : x
  2. Step 2: Convert to fraction form
    19,473.72/29,224.66 = 7,790.20/x
  3. Step 3: Cross multiply
    19,473.72x = 29,224.66 × 7,790.20
  4. Step 4: Simplify right side
    19,473.72x = 227,665,946.33
  5. Step 5: Solve for x
    x = 227,665,946.33/19,473.72
  6. Step 6: Final answer
    x = 11,690.93

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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.