Home / 8,765.14-13,145.37-5,991.34

Finding the Fourth Proportional to 8,765.14, 13,145.37 and 5,991.34

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Solution

The fourth proportional to 8,765.14, 13,145.37 and 5,991.34 is: 8,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.14 : 13,145.37 = 5,991.34 : x
  2. Step 2: Convert to fraction form
    8,765.14/13,145.37 = 5,991.34/x
  3. Step 3: Cross multiply
    8,765.14x = 13,145.37 × 5,991.34
  4. Step 4: Simplify right side
    8,765.14x = 78,758,381.10
  5. Step 5: Solve for x
    x = 78,758,381.10/8,765.14
  6. Step 6: Final answer
    x = 8,985.41

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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.