Home / 19,887.04-29,829.00-11,561.75

Finding the Fourth Proportional to 19,887.04, 29,829.00 and 11,561.75

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Solution

The fourth proportional to 19,887.04, 29,829.00 and 11,561.75 is: 17,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.04 : 29,829.00 = 11,561.75 : x
  2. Step 2: Convert to fraction form
    19,887.04/29,829.00 = 11,561.75/x
  3. Step 3: Cross multiply
    19,887.04x = 29,829.00 × 11,561.75
  4. Step 4: Simplify right side
    19,887.04x = 344,875,446.82
  5. Step 5: Solve for x
    x = 344,875,446.82/19,887.04
  6. Step 6: Final answer
    x = 17,341.72

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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.