Home / 19,712.24-29,580.40-8,619.04

Finding the Fourth Proportional to 19,712.24, 29,580.40 and 8,619.04

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Solution

The fourth proportional to 19,712.24, 29,580.40 and 8,619.04 is: 12,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.24 : 29,580.40 = 8,619.04 : x
  2. Step 2: Convert to fraction form
    19,712.24/29,580.40 = 8,619.04/x
  3. Step 3: Cross multiply
    19,712.24x = 29,580.40 × 8,619.04
  4. Step 4: Simplify right side
    19,712.24x = 254,954,650.82
  5. Step 5: Solve for x
    x = 254,954,650.82/19,712.24
  6. Step 6: Final answer
    x = 12,933.82

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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.