Home / 19,577.21-29,365.81-4,786.11

Finding the Fourth Proportional to 19,577.21, 29,365.81 and 4,786.11

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Solution

The fourth proportional to 19,577.21, 29,365.81 and 4,786.11 is: 7,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.21 : 29,365.81 = 4,786.11 : x
  2. Step 2: Convert to fraction form
    19,577.21/29,365.81 = 4,786.11/x
  3. Step 3: Cross multiply
    19,577.21x = 29,365.81 × 4,786.11
  4. Step 4: Simplify right side
    19,577.21x = 140,547,984.93
  5. Step 5: Solve for x
    x = 140,547,984.93/19,577.21
  6. Step 6: Final answer
    x = 7,179.17

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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.