Home / 17,109.05-25,655.36-8,784.77

Finding the Fourth Proportional to 17,109.05, 25,655.36 and 8,784.77

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Solution

The fourth proportional to 17,109.05, 25,655.36 and 8,784.77 is: 13,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,109.05 : 25,655.36 = 8,784.77 : x
  2. Step 2: Convert to fraction form
    17,109.05/25,655.36 = 8,784.77/x
  3. Step 3: Cross multiply
    17,109.05x = 25,655.36 × 8,784.77
  4. Step 4: Simplify right side
    17,109.05x = 225,376,264.67
  5. Step 5: Solve for x
    x = 225,376,264.67/17,109.05
  6. Step 6: Final answer
    x = 13,172.93

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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.