Home / 13,461.12-20,192.68-3,600.16

Finding the Fourth Proportional to 13,461.12, 20,192.68 and 3,600.16

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Solution

The fourth proportional to 13,461.12, 20,192.68 and 3,600.16 is: 5,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.12 : 20,192.68 = 3,600.16 : x
  2. Step 2: Convert to fraction form
    13,461.12/20,192.68 = 3,600.16/x
  3. Step 3: Cross multiply
    13,461.12x = 20,192.68 × 3,600.16
  4. Step 4: Simplify right side
    13,461.12x = 72,696,878.83
  5. Step 5: Solve for x
    x = 72,696,878.83/13,461.12
  6. Step 6: Final answer
    x = 5,400.51

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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.