Home / 19,577.16-29,377.08-7,887.24

Finding the Fourth Proportional to 19,577.16, 29,377.08 and 7,887.24

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Solution

The fourth proportional to 19,577.16, 29,377.08 and 7,887.24 is: 11,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.16 : 29,377.08 = 7,887.24 : x
  2. Step 2: Convert to fraction form
    19,577.16/29,377.08 = 7,887.24/x
  3. Step 3: Cross multiply
    19,577.16x = 29,377.08 × 7,887.24
  4. Step 4: Simplify right side
    19,577.16x = 231,704,080.46
  5. Step 5: Solve for x
    x = 231,704,080.46/19,577.16
  6. Step 6: Final answer
    x = 11,835.43

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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.