Home / 21,455.15-32,169.69-9,606.67

Finding the Fourth Proportional to 21,455.15, 32,169.69 and 9,606.67

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Solution

The fourth proportional to 21,455.15, 32,169.69 and 9,606.67 is: 14,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,455.15 : 32,169.69 = 9,606.67 : x
  2. Step 2: Convert to fraction form
    21,455.15/32,169.69 = 9,606.67/x
  3. Step 3: Cross multiply
    21,455.15x = 32,169.69 × 9,606.67
  4. Step 4: Simplify right side
    21,455.15x = 309,043,515.41
  5. Step 5: Solve for x
    x = 309,043,515.41/21,455.15
  6. Step 6: Final answer
    x = 14,404.17

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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.