Home / 19,801.80-29,693.40-11,484.18

Finding the Fourth Proportional to 19,801.80, 29,693.40 and 11,484.18

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Solution

The fourth proportional to 19,801.80, 29,693.40 and 11,484.18 is: 17,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.80 : 29,693.40 = 11,484.18 : x
  2. Step 2: Convert to fraction form
    19,801.80/29,693.40 = 11,484.18/x
  3. Step 3: Cross multiply
    19,801.80x = 29,693.40 × 11,484.18
  4. Step 4: Simplify right side
    19,801.80x = 341,004,350.41
  5. Step 5: Solve for x
    x = 341,004,350.41/19,801.80
  6. Step 6: Final answer
    x = 17,220.88

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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.