Home / 21,792.08-32,688.12-6,209.76

Finding the Fourth Proportional to 21,792.08, 32,688.12 and 6,209.76

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Solution

The fourth proportional to 21,792.08, 32,688.12 and 6,209.76 is: 9,314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792.08 : 32,688.12 = 6,209.76 : x
  2. Step 2: Convert to fraction form
    21,792.08/32,688.12 = 6,209.76/x
  3. Step 3: Cross multiply
    21,792.08x = 32,688.12 × 6,209.76
  4. Step 4: Simplify right side
    21,792.08x = 202,985,380.05
  5. Step 5: Solve for x
    x = 202,985,380.05/21,792.08
  6. Step 6: Final answer
    x = 9,314.64

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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.