Home / 21,765.05-32,603.82-11,354.93

Finding the Fourth Proportional to 21,765.05, 32,603.82 and 11,354.93

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Solution

The fourth proportional to 21,765.05, 32,603.82 and 11,354.93 is: 17,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765.05 : 32,603.82 = 11,354.93 : x
  2. Step 2: Convert to fraction form
    21,765.05/32,603.82 = 11,354.93/x
  3. Step 3: Cross multiply
    21,765.05x = 32,603.82 × 11,354.93
  4. Step 4: Simplify right side
    21,765.05x = 370,213,930.81
  5. Step 5: Solve for x
    x = 370,213,930.81/21,765.05
  6. Step 6: Final answer
    x = 17,009.56

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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.