Home / 13,708.75-20,595.93-8,788

Finding the Fourth Proportional to 13,708.75, 20,595.93 and 8,788

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Solution

The fourth proportional to 13,708.75, 20,595.93 and 8,788 is: 13,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.75 : 20,595.93 = 8,788 : x
  2. Step 2: Convert to fraction form
    13,708.75/20,595.93 = 8,788/x
  3. Step 3: Cross multiply
    13,708.75x = 20,595.93 × 8,788
  4. Step 4: Simplify right side
    13,708.75x = 180,997,032.84
  5. Step 5: Solve for x
    x = 180,997,032.84/13,708.75
  6. Step 6: Final answer
    x = 13,203.03

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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.