Home / 19,628.30-29,447.22-6,480.02

Finding the Fourth Proportional to 19,628.30, 29,447.22 and 6,480.02

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Solution

The fourth proportional to 19,628.30, 29,447.22 and 6,480.02 is: 9,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.30 : 29,447.22 = 6,480.02 : x
  2. Step 2: Convert to fraction form
    19,628.30/29,447.22 = 6,480.02/x
  3. Step 3: Cross multiply
    19,628.30x = 29,447.22 × 6,480.02
  4. Step 4: Simplify right side
    19,628.30x = 190,818,574.54
  5. Step 5: Solve for x
    x = 190,818,574.54/19,628.30
  6. Step 6: Final answer
    x = 9,721.60

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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.