Home / 19,899.61-29,783.80-11,001.25

Finding the Fourth Proportional to 19,899.61, 29,783.80 and 11,001.25

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Solution

The fourth proportional to 19,899.61, 29,783.80 and 11,001.25 is: 16,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.61 : 29,783.80 = 11,001.25 : x
  2. Step 2: Convert to fraction form
    19,899.61/29,783.80 = 11,001.25/x
  3. Step 3: Cross multiply
    19,899.61x = 29,783.80 × 11,001.25
  4. Step 4: Simplify right side
    19,899.61x = 327,659,080.73
  5. Step 5: Solve for x
    x = 327,659,080.73/19,899.61
  6. Step 6: Final answer
    x = 16,465.61

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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.