Home / 21,745.35-32,622.21-9,265.14

Finding the Fourth Proportional to 21,745.35, 32,622.21 and 9,265.14

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Solution

The fourth proportional to 21,745.35, 32,622.21 and 9,265.14 is: 13,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.35 : 32,622.21 = 9,265.14 : x
  2. Step 2: Convert to fraction form
    21,745.35/32,622.21 = 9,265.14/x
  3. Step 3: Cross multiply
    21,745.35x = 32,622.21 × 9,265.14
  4. Step 4: Simplify right side
    21,745.35x = 302,249,342.76
  5. Step 5: Solve for x
    x = 302,249,342.76/21,745.35
  6. Step 6: Final answer
    x = 13,899.49

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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.