Home / 19,620.68-27,050.04-13,322.12

Finding the Fourth Proportional to 19,620.68, 27,050.04 and 13,322.12

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Solution

The fourth proportional to 19,620.68, 27,050.04 and 13,322.12 is: 18,366.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.68 : 27,050.04 = 13,322.12 : x
  2. Step 2: Convert to fraction form
    19,620.68/27,050.04 = 13,322.12/x
  3. Step 3: Cross multiply
    19,620.68x = 27,050.04 × 13,322.12
  4. Step 4: Simplify right side
    19,620.68x = 360,363,878.88
  5. Step 5: Solve for x
    x = 360,363,878.88/19,620.68
  6. Step 6: Final answer
    x = 18,366.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.