Home / 19,457.20-29,187.42-7,764.04

Finding the Fourth Proportional to 19,457.20, 29,187.42 and 7,764.04

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Solution

The fourth proportional to 19,457.20, 29,187.42 and 7,764.04 is: 11,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.20 : 29,187.42 = 7,764.04 : x
  2. Step 2: Convert to fraction form
    19,457.20/29,187.42 = 7,764.04/x
  3. Step 3: Cross multiply
    19,457.20x = 29,187.42 × 7,764.04
  4. Step 4: Simplify right side
    19,457.20x = 226,612,296.38
  5. Step 5: Solve for x
    x = 226,612,296.38/19,457.20
  6. Step 6: Final answer
    x = 11,646.71

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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.