Home / 19,577.16-29,365.50-9,181.56

Finding the Fourth Proportional to 19,577.16, 29,365.50 and 9,181.56

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Solution

The fourth proportional to 19,577.16, 29,365.50 and 9,181.56 is: 13,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.16 : 29,365.50 = 9,181.56 : x
  2. Step 2: Convert to fraction form
    19,577.16/29,365.50 = 9,181.56/x
  3. Step 3: Cross multiply
    19,577.16x = 29,365.50 × 9,181.56
  4. Step 4: Simplify right side
    19,577.16x = 269,621,100.18
  5. Step 5: Solve for x
    x = 269,621,100.18/19,577.16
  6. Step 6: Final answer
    x = 13,772.23

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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.