Home / 19,647.77-29,471.96-10,938.04

Finding the Fourth Proportional to 19,647.77, 29,471.96 and 10,938.04

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Solution

The fourth proportional to 19,647.77, 29,471.96 and 10,938.04 is: 16,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.77 : 29,471.96 = 10,938.04 : x
  2. Step 2: Convert to fraction form
    19,647.77/29,471.96 = 10,938.04/x
  3. Step 3: Cross multiply
    19,647.77x = 29,471.96 × 10,938.04
  4. Step 4: Simplify right side
    19,647.77x = 322,365,275.31
  5. Step 5: Solve for x
    x = 322,365,275.31/19,647.77
  6. Step 6: Final answer
    x = 16,407.22

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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.