Home / 19,763.00-29,642.30-4,971.92

Finding the Fourth Proportional to 19,763.00, 29,642.30 and 4,971.92

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Solution

The fourth proportional to 19,763.00, 29,642.30 and 4,971.92 is: 7,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.00 : 29,642.30 = 4,971.92 : x
  2. Step 2: Convert to fraction form
    19,763.00/29,642.30 = 4,971.92/x
  3. Step 3: Cross multiply
    19,763.00x = 29,642.30 × 4,971.92
  4. Step 4: Simplify right side
    19,763.00x = 147,379,008.43
  5. Step 5: Solve for x
    x = 147,379,008.43/19,763.00
  6. Step 6: Final answer
    x = 7,457.32

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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.