Home / 19,650.36-29,480.40-9,259.68

Finding the Fourth Proportional to 19,650.36, 29,480.40 and 9,259.68

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Solution

The fourth proportional to 19,650.36, 29,480.40 and 9,259.68 is: 13,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.36 : 29,480.40 = 9,259.68 : x
  2. Step 2: Convert to fraction form
    19,650.36/29,480.40 = 9,259.68/x
  3. Step 3: Cross multiply
    19,650.36x = 29,480.40 × 9,259.68
  4. Step 4: Simplify right side
    19,650.36x = 272,979,070.27
  5. Step 5: Solve for x
    x = 272,979,070.27/19,650.36
  6. Step 6: Final answer
    x = 13,891.81

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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.