Home / 14,028.81-21,016.22-8,765.89

Finding the Fourth Proportional to 14,028.81, 21,016.22 and 8,765.89

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Solution

The fourth proportional to 14,028.81, 21,016.22 and 8,765.89 is: 13,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.81 : 21,016.22 = 8,765.89 : x
  2. Step 2: Convert to fraction form
    14,028.81/21,016.22 = 8,765.89/x
  3. Step 3: Cross multiply
    14,028.81x = 21,016.22 × 8,765.89
  4. Step 4: Simplify right side
    14,028.81x = 184,225,809.24
  5. Step 5: Solve for x
    x = 184,225,809.24/14,028.81
  6. Step 6: Final answer
    x = 13,131.96

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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.