Home / 19,646.47-29,469.73-4,855.16

Finding the Fourth Proportional to 19,646.47, 29,469.73 and 4,855.16

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Solution

The fourth proportional to 19,646.47, 29,469.73 and 4,855.16 is: 7,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.47 : 29,469.73 = 4,855.16 : x
  2. Step 2: Convert to fraction form
    19,646.47/29,469.73 = 4,855.16/x
  3. Step 3: Cross multiply
    19,646.47x = 29,469.73 × 4,855.16
  4. Step 4: Simplify right side
    19,646.47x = 143,080,340.12
  5. Step 5: Solve for x
    x = 143,080,340.12/19,646.47
  6. Step 6: Final answer
    x = 7,282.75

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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.