Home / 19,741.25-29,620.08-8,642.23

Finding the Fourth Proportional to 19,741.25, 29,620.08 and 8,642.23

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Solution

The fourth proportional to 19,741.25, 29,620.08 and 8,642.23 is: 12,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.25 : 29,620.08 = 8,642.23 : x
  2. Step 2: Convert to fraction form
    19,741.25/29,620.08 = 8,642.23/x
  3. Step 3: Cross multiply
    19,741.25x = 29,620.08 × 8,642.23
  4. Step 4: Simplify right side
    19,741.25x = 255,983,469.93
  5. Step 5: Solve for x
    x = 255,983,469.93/19,741.25
  6. Step 6: Final answer
    x = 12,966.93

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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.